audi q3 adaptive cruise control retrofit

Driver assistance systems

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Audi assists drivers with a broad range of assistance systems – from turn and parking assistants to the camera-based road sign recognition. They deliver more safety, convenience and efficiency, and they pave the way for piloted driving.

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Turn assist

Turn assist monitors the road lane with oncoming traffic by means of radar sensors, the front camera and, in certain models, a laser scanner. Monitoring is initiated as soon as the driver sets the turn signal. When driving off from a stop, or during slow driving up to a speed of 10 km/h (6.2 mph) , the system can intervene by applying the brakes to prevent the car from colliding with an oncoming vehicle when turning left or right (country-dependent). This brake intervention keeps the vehicle within its own driving lane. The driver is informed of the intervention by an indicator in the instrument cluster.

Adaptive cruise control (with Stop&Go function)

Adaptive cruise control (ACC) offers relief to drivers especially on long trips and in stop-and-go traffic. It maintains a preset distance to the vehicle ahead by automatically accelerating and braking. The driver can choose from five distance levels and adjust acceleration and control system dynamics with Audi drive select.

The system uses radar sensors and a front camera. They detect vehicles ahead and measure the distance to them. In interplay with S tronic or tiptronic, the system covers the entire speed range from 0 to 250 km/h (155.3 mph) . With a manual transmission, it starts at 30 km/h (18.6 mph) . When the system is deactivated, the distance indicator shows the distance to the car ahead and warns drivers when they are tailgating. Its operating speed range is 60 km/h (37.3 mph) and above.

When combined with S tronic or tiptronic, ACC also includes the Stop&Go function. In heavy traffic, it autonomously decelerates the car to a stop. After a brief stop, it automatically resumes driving, following the vehicle ahead. After a longer stop, the driver must tap the accelerator pedal or the control stalk on the steering column. In addition to the radar sensors and front camera, ultrasonic sensors also monitor the vehicle’s immediate surroundings.

Adaptive cruise assist

The adaptive cruise assist (ACA) assists the driver with longitudinal and lateral control over the entire speed range – substantially enhancing comfort on long journeys, in particular. It incorporates the functions of adaptive cruise control, traffic jam assist and active lane assist. Depending on the model, the ACA uses the radar sensor in the nose of the vehicle, the laser scanner, the front camera and the ultrasonic sensors to permanently monitor the vehicle’s surroundings.

Depending on the sensor set, the system detects lane markings, roadside structures, vehicles in adjacent lanes and vehicles driving ahead. The ACA uses this information to derive a virtual vehicle path and “guides” the vehicle within it. The system also includes helpful steering intervention so that the vehicle remains in the center of the lane. In some models based on the modular longitudinal platform, the system uses also the laser scanner: The ACA detects if the lane is too narrow to allow side-by-side driving and enables offset driving through narrow stretches.

The adaptive cruise assist maintains proper speed and following distance via targeted acceleration and braking. The car automatically adapts its speed to the traffic situation and the route, for example at curves and cross-ways. In stop-and-go traffic as well as traffic jam situations, the ACA can bring the car to a complete stop. Depending on the duration of the stop, the car can start automatically again.

Hold assist

Hold assist enables convenient drive-offs when the car is on the usual inclines and descents of street traffic, and it prevents the vehicle from rolling. The system automatically switches over to the electromechanical parking brake when the car is stopped for a longer period of time while hold assist is activated. This ensures that the car will remain stationary even without activation of the parking brake. In conjunction with S tronic, after a stop at a traffic light, for instance, the car drives off as soon as the driver presses the accelerator pedal. The system is activated by pushing a button.

Trailer maneuver assist

The trailer maneuver assist makes it easier to maneuver in reverse with a trailer. Depending on the operating concept the driver uses the rotary/push-button control or the MMI-display to variably adjust the angle at which the trailer should be backed up. The image from the rear view camera on the monitor shows lines that serve as a guide. Trailer maneuver assist turns the steering wheel and directs the trailer onto the selected course. It allows a driving speed of up to 10 km/h  (6.2 mph) . If the articulation angle is too large, the system emits a warning, and it brakes in case of an emergency. Depending on the version, either a sensor in the rotating tow bar of the trailer coupling, that senses the angle between towing vehicle and the trailer, or a rearward directed camera serves as the technical basis.

Audi active lane assist

Operating at speeds from 65 km/h  (40.4 mph) , Audi active lane assist helps the driver keep the vehicle in the driving lane. A camera detects lane lines and the track that the car is following between them. In this process, the camera can distinguish between yellow lines in construction zones and standard white markings. If the car approaches a line without the turn signal being activated, the system helps the driver to steer back into the lane by means of gentle but noticeable interventions in the electromechanical power steering. In the MMI system, the driver sets how early the control intervention should occur. In the case of an early steering intervention point, the system guides the driver towards the middle of the lane by gentle, centering steering interventions. With a late steering intervention point, Audi active lane assist does not intervene until shortly before the detected lane marking might be crossed; then it gives a corrective steering intervention in the proper direction. In addition, the driver may choose to be warned by a vibration of the steering wheel when crossing detected lane markings.

Audi pre sense 360˚

The Audi pre sense 360˚ detects collision hazards all around the car and initiates specific safety measures. It includes the following driver assistant systems:

• Audi pre sense front

• Audi pre sense rear

• Audi pre sense basic

• Audi pre sense side

Audi pre sense basic

Audi pre sense basic initiates preventive safety measures for occupants as soon as it recognizes a critical driving state. It utilizes information from various vehicle systems to determine this. For instance, it intervenes if the Electronic Stabilization Control (ESC) sensors detect skidding or hard braking. Then the system pretensions the seat belts of the driver and front passenger electrically to reduce their forward or lateral movements. The side windows and sliding sunroof are automatically closed. In addition, the hazard warning lights are activated to alert following traffic. 

Audi pre sense front / Audi pre sense city

Audi pre sense front and Audi pre sense city utilize the data of radar sensors and/or the front camera, depending on the car model, to compute the probability of a collision. Within the limitations of the system, it warns of collision threats and initiates braking at specific vehicle speeds. Vehicles are detected in the driving speed range of up to 250 km/h (155.3 mph) , pedestrians up to around 65 km/h (40.4 mph) or 85 km/h (52.8 mph) depending on the model, as well as cyclists, depending on the system.

If a collision is imminent, the system warns the driver with visual, acoustic and haptic warnings based on a multistage warning concept. If necessary, the system provides braking assistance to reduce vehicle speed or initiates a full brake application to avoid the collision under certain circumstances. Actions are also taken to protect occupants. The hazard warning lights are activated, the seat belts are reversibly pretensioned, the seat position is optimized, and the windows and optional panoramic glass sunroof are closed.

Audi pre sense rear

Audi pre sense rear uses radar sensors in the rear bumper to detect an impending rear-end collision, and it initiates preventive safety measures. These include pretensioning the front seat belts by electric power and closing the windows and sliding sunroof. In addition, the system activates the hazard warning lights to alert following traffic to the critical situation. In this process, the Rear-end collision alert signal (RECAS) is triggered, which flashes the hazard warning lights at a high frequency. Audi pre sense rear is active in background over the car’s entire driving speed range with the exception of trailer towing situations.

Audi pre sense side

Audi pre sense side reacts in the event of a collision from the side. Amongst ohthers it uses the radar sensors of the crossing assist to calculate the probability of an accident involving traffic approaching from the side. The system can detect the threat of side collisions at speeds of up to approx. 60 km/h (37.3 mph) and apply preventative measures to help protect occupants. These include: activating the hazard lights, tensioning the safety belts, optimizing the seating position, and closing windows as well as the optional panoramic glass roof.

In an impending lateral collision at more than 25 km/h (15.5 mph) , the suspension actuators of the optional Audi AI active suspension raise the body on the side exposed to the danger by up to 80 millimeters (3.1 in) within half a second. The other vehicle therefore hits the car in an even more impact-resistant zone. The side sills and floor structure accommodate a large portion of the impact forces. Deformation of the cabin and the loads acting on the occupants, above all to the chest and abdomen areas, are reduced by up to 50 percent compared with a lateral collision with no raising of the suspension.

Audi side assist

The Audi side assist lane-changing assistant helps the driver to change lanes at driving speeds of 15 km/h  (9.3 mph)  and faster. It uses two rear-mounted radar sensors with a scanning range of roughly 70 meters  (229.7 ft) . If the system detects a vehicle located in the blind spot or approaching quickly from the rear, a warning LED is lit in the housing of the relevant exterior mirror. If the driver activates the turn signal anyway, the LED flashes several times in rapid succession.

Exit warning

Exit warning improves safety in city traffic. If the car has come to a stop and other vehicles or bicyclists classified as critical are approaching from the rear, the system warns passengers not to open the doors. The system does this using LED lights in the door panels. In a situation assessed to be hazardous, the LEDs flicker and light red. The LEDs of Audi side assist are also lit in the relevant exterior side mirror. The exit warning remains active for approximately three minutes after the ignition is turned off.

This system is based on the radar sensors of Audi side assist, which monitor the zones behind the vehicle and to the sides at the rear. Depending on the model the exit warning is extended by an additional feature: If the system is active, opening of the electronic door locks is delayed roughly one second.

Collision avoidance assist

Collision avoidance assist helps the driver steer around an obstacle in a critical situation. The system uses data from the two radar sensors and the front camera for this purpose. In calculating a suitable evasive maneuver corridor, it takes into account the distance, width and offset of the vehicle driving ahead. Collision avoidance assist is available over a speed range from approx. 30 to 150 km/h (18.6 to 93.2 mph) , and it assumes that the driver is actively steering throughout the maneuver. The driver is informed of the intervention by an indicator in the instrument cluster.

First, a jolt is produced to warn the driver of the hazard. If the driver then actively avoids the obstacle, the assistant applies a slight steering torque that helps by correcting the driver’s steering input or helping to make a lane change. Models like the Audi A8 (2017) use a specific braking of individual wheels – with it the vehicle is made to follow the computed course.

Curb warning

The curb warning identifies curbs that pose a risk to the tires or wheels. Prerequisite: The car is moving forward or backward at up to 10 km/h (6.2 mph) . If the system detects a critical situation, it alerts the driver to this in the optical parking system display on the MMI monitor. To scan the surroundings the system uses primarily the 360 degree cameras.

Multicollision brake assist

Multicollision brake assist automatically brakes the vehicle in the event of an accident, reducing the danger of skidding as well as the risk of further collisions. The function uses the relevant sensors to detect a collision; the severity of the crash and the speed reduction are calculated by the safety computer. If defined thresholds are exceeded, the safety computer sends a corresponding message to the Electronic Stabilization Control (ESC) control unit to trigger an automatic brake application, taking the system status into account. If the driver accelerates, the vehicle is not automatically braked. The same is true if the ESC, the brake system or the electrical system are not functioning.

Parking system, rear

Parking system plus informs the driver, visually and audibly, about obstacles in front of and behind the vehicle. The warnings are made when the distance to a detected object in the path of driving is less than 90 cm (35.4 in) – depending on the specific model – after the driver has engaged reverse gear and activated the system by pushing a button on the center console.

Ultrasonic sensors measure the distance, the MMI display depicts it visually. A white segment shows a detected object outside of the driving path. Red segments represent detected objects within the driving path. The virtual driving path display also shows lateral guide lines which are precalculated based on the currently selected steering input. Increasing frequency of the audible warning indicates that the distance to the obstacle is decreasing.

Parking system plus

Parking system plus informs the driver, visually and audibly, about obstacles in front of and behind the vehicle. The warnings are made when the distance to a detected object in the path of driving is less than 90 cm (35.4 in) – depending on the specific model – after the driver has engaged reverse gear and activated the system by pushing a button on the center console. Ultrasonic sensors inconspicuously integrated into the bumpers measure the distance. The MMI display depicts it visually. A white segment shows a detected object outside of the driving path. Red segments represent detected objects within the driving path. The virtual driving path display also shows lateral guide lines which are precalculated based on the currently selected steering input and thereby assists in convenient parking and exiting. Increasing frequency of the audible warning indicates that the distance to the obstacle is decreasing. At around 30 cm (11.8 in) distance to the detected object, the driver hears a constant tone – the signal to stop.

High-beam assist

High-beam assist utilizes a camera mounted on the interior mirror. It detects light sources – the headlights of oncoming vehicles, tail lights of other road users and the reflections of municipality limit signs, for instance – and automatically switches between high beam and low beam lighting. This provides for better visibility and a more relaxed driving experience. Drivers of oncoming vehicles are not blinded by glare. 

Speed limiter

The configurable speed limiter limits driving speed to a value set by the driver within the speed range of 30 to 250 km/h  (18.6 to 155.3 mph)  – which is very helpful within city limits or construction zones, for example. When the preset limit is reached, the vehicle gently throttles the speed down. The speed limit is not exceeded even if the driver applies more pressure to the accelerator pedal. However, the driver can temporarily override the limit by kick-down, and the speed limiter can be completely deactivated at any time from the steering column stalk. The speed that has been preset is shown in the instrument cluster.

Cruise control

Cruise control maintains a desired driving speed constantly starting at around 30 km/h  (18.6 mph)  (model dependent), provided that it can be maintained by engine power and engine braking effects. The system offers relief to drivers in this way – especially on long trips. At the same time, the constant speed mode of driving contributes towards lower fuel consumption and lower CO 2  emissions. The system is operated via a separate steering column stalk, and the preset driving speed is shown in the instrument cluster. The system is deactivated when the driver brakes. 

Crossing assist

Crossing assist recognizes critical cross traffic in front of the car and warns the driver of it both visually and audibly. At speeds up to 10 km/h (6.2 mph) , it initiates a short braking action when needed. Crossing assist is active at vehicle speeds up to 30 km/h (18.6 mph) . It uses data from the zFAS central computer, with the most important information here supplied by the mid-range radars and the laser scanner. If the driver wants to ease into an intersection or exit with poor visibility, he or she can push the parking button. This sends the images from the 360 degree cameras to the MMI monitor. They drastically expand the field of view, and the driver can choose from among multiple views.

Laser scanner

Together with the long-range radar and the front camera, the laser scanner forms a trio of sensors with various strengths that complement each other. It is these sensors and the central driver assistance controller (zFAS), which generates an image of the surroundings from all the sensor data, that make automated driving possible in the first place.

The laser scanner covers a field approximately 80 meters (262.5 ft) long, with an opening angle of 145 degrees. The roughly fist-sized component is mounted in the front bumper and, regardless of speed, emits moderated pulses of light on multiple vertical levels, which a mirror scatters in the shape of a fan. Having a wave length in the near-infrared range, the extremely short flashes of light are invisible and harmless to the human eye. They are reflected by objects in front of the car and return to the laser scanner in less than one microsecond, where photo diodes detect them.

The result is a detailed, deeply contoured, static image of the surroundings. The laser scanner displays other vehicles as measured cuboids, and it also measures such information as distance and orientation, which it distributes to the partner control units. With its large horizontal aperture, it detects cars entering the lane very early. Detailed information about structures on the side of the road, such as guardrails, round out the spectrum. Like radar, the laser scanner also works in the dark. Automatic cleaning and heating of the covering panel keep it operational even in inclement weather and spray as long as the conditions aren’t too extreme.

Maneuvering assist

Maneuvering assist recognizes moving and stationary objects larger than 10 centimeters (3.9 in) , such as a pillar in a parking garage or a moving vehicle. It helps to avoid impending collisions using warning steering impulses and by autonomously braking the car to a stop, provided that the car is traveling forward or in reverse at no more than 10 km/h (6.2 mph) . The system uses the optical parking system in the MMI to display its steering and parking interventions. The surroundings are scanned using at least the ultrasonic sensors and the 360 degree cameras.

Night vision assist

The night vision assist that Audi offers for multiple full-size models uses a far infrared camera. It reacts to the heat given off by objects. Converted to black and white images, the information can be viewed in the instrument cluster or Audi virtual cockpit. The cooler surroundings appear dark, while animals and people appear strikingly bright.

The system, which has a range of up to 300 meters (984.3 ft) , can detect people and larger wild animals at distances between roughly 10 and 90 meters ( 32.8 and 295.3 ft ) and highlights them with yellow markings. If a hazardous situation is detected, a warning sound is emitted. A warning symbol appears in the instrument cluster as well as in the head-up display. Depending on the headlights persons outside of town limits are illuminated with three short flashes of light.

Emergency assist

Emergency assist detects, within system limits, when the driver is inactive. In such a case, the system assumes control of the vehicle and automatically brakes it to a standstill in its own lane. Emergency assist monitors the driver’s steering activity. If it detects that the driver is inactive, it prompts the driver repeatedly, via visual and audible warnings and by brake jolts, to actively take over control of the vehicle again. With the first strong brake jolt at a driving speed below 80 km/h (49.7 mph) , the hazard warning lights are also activated to warn the surrounding traffic. If the driver remains inactive, despite the warnings, Emergency assist brings the vehicle to a standstill within system limits. The parking brake is engaged. The driver can deactivate Emergency assist at any time by moving the steering wheel, pressing the brake or accelerator pedal or by shutting off active lane assist or adaptive cruise control. 

Park assist

Park assist can automatically steer the car into parallel or perpendicular parking spaces. It uses ultrasonic sensors located in the front and rear bumpers and on the sides. The driver only has to accelerate, brake and shift gears.

The sensors measure parking spaces along the road while driving past them at moderate speed – a maximum of 20 km/h (12.4 mph) for perpendicular parking spaces and a maximum of 30 km/h (18.6 mph) for parallel spaces. A message appears on the MMI display when the system finds a suitable spot. The only actions required of the driver while parking are accelerating, shifting gears and braking. The system handles the steering. In addition, audible signals help the driver. Park assist will make multiple maneuvers, forwards and backwards, if necessary. It can also exit from parallel parking spaces. Depending on the model, the driver activates the system via either a button on the center console or a button in the lower infotainment display. The maximum speed for all maneuvers is 7 km/h (4.3 mph).

(Predictive) efficiency assist

Efficiency assist helps the driver to drive preemptively and save fuel. The system works closely together with adaptive cruise control (ACC) or adaptive cruise assist (ACA). It accesses predictive route data from navigation and Car-to-X information. In order to detect traffic signs and other vehicles, the efficiency assist uses the front camera as well as data from the front and rear-facing radar sensors.

The driver is shown corresponding information in the instrument cluster or in the Audi virtual cockpit and the head-up display as soon as it would be sensible to take the foot off the right-hand pedal. Symbols for speed limits, bends, roundabouts, towns, or downhill slopes that indicate to the driver to slow down are displayed on the basis of the route data and recognition of traffic signs. Depending on the model the gas pedal also pulses against the sole of the driver’s foot – a clear indication to take their foot off the gas.

If the cruise assist is switched on or the ACC is activated, efficiency assist regulates actively. It decelerates and accelerates predictively and adapts the speed to the course of the road and the traffic situation, also taking vehicles driving in front into account. If the driver so wishes, the system controls the freewheeling and coasting operation of the engine in cooperation with other control units. The predictive system always maintains a driving style that reflects the driving program selected – from efficient to sporty – and uses scope for recuperation in the Audi e-tron .

The driver can override the system at any time by accelerating and braking. In addition, drivers can individually activate, deactivate and configure many of their detailed functions in the MMI. Depending on the model, the control, for example, can be adapted to the course of the road in three stages: slow, medium or fast.

Cross traffic assist rear

Cross traffic assist rear warns the driver of approaching vehicles it deems critical when slowly backing up, such as when pulling out of a perpendicular parking spot. It uses the rear radar sensors for this. They cover the zone at the rear, including the driving lanes to the left and right behind the vehicle. The warnings are progressive – initially a visual warning is shown in the MMI display (in the park assist display). The situation is represented in a virtual top view and in the “rear” and “rear side” camera views. Red arrows behind the vehicle point in the direction from which there is a potential hazard. If the driver does not react to the visual display, an audible signal sounds before the system warns the driver with a brake jolt. This helps to avoid accidents while exiting parking spaces.

(Remote) parking pilot and remote garage pilot

The (remote) parking pilot and the remote garage pilot make parking extremely easy and convenient. Both systems enable the car to roll automatically into parallel or perpendicular parking sports or into a garage. They control the steering, the gas, the brakes and the automatic transmission. The driver either sits in the car (parking pilot) or monitors the maneuver from outside via smartphone (remote parking pilot and remote garage pilot). 

He or she activates the respective systems using the parking button on the MMI display. If the vehicle is moving at a moderate speed the ultrasonic sensors measure the parking spaces along the road. The garage pilot also uses the laser scanner. A message appears on the MMI display when the system finds a suitable spot. The driver can now stop, select smartphone control in the MMI, get out and start the parking maneuver from his or her phone. This is done by pressing the Audi AI button in the myAudi app and holding it during the entire parking procedure. The driver sees a live image from the 360 degree cameras on the smartphone display. The maximum distance from the car is six meters (19.7 ft) . The car pulls into the parking space at a speed of up to 6 km/h (3.7 mph) , maneuvering multiple times if necessary. The car can only pull forward into a garage. Once the vehicle reaches its final position, the tiptronic is set to P and both the engine and the ignition are turned off. When it's time to leave again, the driver can start the car using the smartphone and have it pull out of the parking spot or the garage.

The driver can also start the parking pilot while still sitting behind the wheel by pushing the AI button on the center tunnel console. This button must also be pressed throughout the entire parking procedure.

The (remote) parking pilot and the remote garage pilot function intelligently and conveniently. For instance, the sedan can also pull into a garage if it needs to drive in an arc to do so. Inside the garage, the car can pull very close to walls and obstructions such as bikes – or it will simply not enter the garage if there is not enough space. Its innovative laser scanner is particularly helpful here.

Reversing camera

The reversing camera simplifies maneuvering by showing the zone behind the vehicle on the MMI display. It shows the calculated driving track based on the steering angle as well as auxiliary lines and guide lines. For parallel parking, the latter lines precisely direct steering into the parking space in conjunction with steering reversal points. The blue pictured surface in the camera image indicates where the vehicle will be positioned after the parking procedure. The reversing camera is inconspicuously integrated into the handle trim strip of the luggage compartment lid. It is activated as soon as the driver engages reverse gear or pushes the respective button. 

Traffic jam assist

Traffic jam assist is a subsystem of adaptive cruise control (ACC) or adaptive cruise assist (ACA). In vehicles with an automatic transmission, traffic jam assist can assume certain steering tasks over a speed range up to 65 km/h  (40.4 mph)  on roads that are in good condition, as long as the traffic is moving slowly. The system uses the radar sensors and the front camera. It guides the car by making gentle steering movements within system limits and orients itself to lane markings, roadside structures and other vehicles on the road. When traffic jam assist reaches its system limits – such as when the traffic thins out or there is a sharp curve ahead – the driver must assume driving tasks again. If the driver does not, the system warns the driver in several stages. As a final measure, it autonomously brings the car to a safe stop.

360 degree cameras

The four 360 degree cameras on the vehicle scan the immediate vicinity and display obstacles within. Drivers can choose from different views that simplify parking and maneuvering. A virtual overhead view shown in the MMI display gives the driver an overview of the overall parking situation. The panoramic view to the front and rear covers an angle of nearly 180 degrees and provides better visibility when exiting tight parking spaces, courtyard entrances and confusing intersections. Guide lines in the reversing camera view make it easier to park in perpendicular spaces and to hitch trailers. The view from the front camera helps when maneuvering, as it detects obstacles in front of the car. The system is automatically activated when driving in reverse or by pushing a button.

An additional feature for some models is a virtual 3D view. The driver can use the touchscreen to steplessly swivel and zoom the image of the car and the actual vehicle surroundings. There is also a view of the front or rear tires so that the driver can pull the car up right next to the curb.

Traffic sign recognition

Camera-based traffic sign recognition detects traffic signs such as speed limit signs (including digital signs), no passing zones, entry restriction signs and other auxiliary signs, and it shows them to the driver in graphic form. They then appear in the driver information system and/or the Audi virtual cockpit as well as in the head-up display. The camera on the windshield also detects temporary speed restrictions such as in construction zones, as well as time- and weather-conditional restrictions. The system shows the currently applicable speed limit. For example, if a lower speed applies when the road is wet, this value is displayed – if the windshield wipers are on. Speed limits that are only in force at certain times of day are only shown at those times. In addition, the driver can choose a warning threshold as an offset to the legal speed limit. When this threshold is exceeded, a visual warning is given.

Central driver assistance controller

Conditional automated driving at level 3 is based on two innovations: a sensor set with the laser scanner and a central driver assistance controller known as zFAS, for short. The roughly tablet-sized computer constantly processes sensor signals and uses them to create a complete image of the car’s surroundings. To do this, it uses processors from leading global companies – NVIDIA (Tegra K1), ALTERA (Cyclon V), Infineon (Aurix) and Mobileye with the EyeQ3 image processing engine.

The sensor data is read into the “fusion” layer in the zFAS unit and is merged to generate a sophisticated model of the surroundings. It includes moving objects, stationary obstacles and a road model. The latter is generated from the conventional navigation map and from road markings and borders that the sensors detect. The vehicle is guided precisely within its lane in the model, and this positional information flows into the navigation map that the driver sees. This information offers the driver many benefits, such as in complex intersection situations.

The zFAS serves as the central interface for piloted driving functions and for nearly all of the assistance systems. Whether the given system is the crossing assist, the emergency braking function, adaptive driving assistant or traffic jam pilot – its functions are no longer coupled to just a specific sensor. Each system makes use of the vehicle surroundings model and can operate more effectively as a result of this model’s high precision. This makes it possible for the vehicle, for example, to recognize the tail end of a traffic jam and brake appropriately.

The principle of a central fusion level based on standardized sensor interfaces gives Audi another advantage – independence from the specificity of sensors. Developers can replace individual sensors whenever better devices are market-ready.

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• Audi A6 (C7) Forum

UK company to retrofit Adaptive Cruise Control (ACC) to a 2018 A4 Allroad (B9)

By SupremeChancellorFinis , December 29, 2021 in Audi A6 (C7) Forum

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Supremechancellorfinis.

Dear Audi owners,

Please can you help me find a company that will retrofit adaptive cruise control to my 2018 A4 Allroad (B9)?

I love my Allroad, but I somehow messed up my factory order and didn't specify adaptive cruise control (ACC) which is part of the Driver Assistance Tour Pack, and it's annoyed me ever since

I've tried several companies including Richter (richtersport.co.uk) who said they couldn't do it, and Kufatec, who will do it, but they're based in Germany!

Does anyone one know a UK-based company that will retrofit adaptive cruise control?

Any help which would be very much appreciated!  

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My advice would be to look for Audi retro fit companies on Google. Light retro fit for example. Not that ive ever used them. 

Might be worth dropping these guys an e-mail .. they have a very good reputation and if they don't do it probably know if it can be done and by whom ..

https://www.autologics.co.uk/genuine-audi-retrofit-specialist

Thank you Steve and Entwood. I will follow up on your suggestions... much appreciated! 

You're welcome 😊

I have just had Autologics fit a reversing camera to my A6 Avant. Really great job, did it at home on the driveway Give them a call.

These guys  have an offering for the RS4, RS5 and might be able to help.  

• 3 weeks later...

Ben, these guys can do it, but you may not like the price!  I was quoted £5500 for an A6 Allroad.

https://audi-retrofits.co.uk

Thanks 56Doc, I've been able to find a couple of places who will do it (see satnavsystems.com and hazzydayz.com) but yes, the quotes are up around £5,500! Thanks again!

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Original Audi Adaptive Cruise Control activation for Audi Q3 F3

Retrofit of ACC / Adaptive Cruise Control is possible on all versions of the Q3 F3 with Front radar / Pre sense.

This set includes the following:

• Steering wheel control unit
• Activation of ACC Function

PRICE: 7.500:- SEK   

PLEASE NOTE:  This is only possible on Audi Q3 F3 with Audi pre sense with radar in the front grill.

All prices are estimated and may vary.

In order to find the exact price, we need the VIN of the car.

The price shown is with installation and coding in our workshop in Vellinge, Sweden.

We do not sell parts without installation.

All prices are in SEK and are incl. VAT

For booking please contact us.

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• Audi Q3 / Q5 / Q7

Adaptive Cruise Control (ACC) Retrofit

I get this error unreliable signal from the braking system  

Neo, Will the DIS still display that information in the little lcd screen? or do I need to switch out the whole thing to get those pictures and distance information to show up? Also - How difficult was the wiring for the car? You strike me as an Audi mechanic - lol, but how hard was it to run?  

any news for the part number?  

hello I have a few questions to neo 1.you sell The old cluster howmuch? 2.New cluster with component protection you how to removed and still wrong mileage ? 3.safe mode? i am sorry my eng not good  

neo_andersson

1. my old cluster is up for sale for 200 euro. 2. Component Protection can be removed only at Audi Dealer, mileage i corrected myself using a K-Line cable. 3. what do you mean by safe mode?  

neo_andersson said: 1. my old cluster is up for sale for 200 euro. 2. Component Protection can be removed only at Audi Dealer, mileage i corrected myself using a K-Line cable. 3. what do you mean by safe mode? Click to expand...

Look on the UK Ebay, for item no. 230636967474  

which part no?  

you ask me send the VIN to u ,i had send it before ,i am waiting the part number for the AAC.thanks  

audirollin00

I have CAN gateway HW:4L0 907 468 A SW:4L0 907 468 C in my Q7 is this the correct version to be able to run ACC? Thanks  

If you have Side Assist as per your signature you do not have to replace the CAN gateway. The E-CAN bus is shared by the Side Assist, ACC and Lane Change Assist systems, if you have either one of them factory fitted the retrofit of any other one is possible without replacing the gateway as the E-Can capable model is already fitted.  

Awesome thanks NEO  

When running the wiring to the front radar sensor where did you attach to the Canbus, 12+ and ground? In the engine bay? Also did you notice any significant issues with hill hold not having the servo to control braking?  

Canbus has to be connected to the extended canbus port which you can find only at the gateway connector, Terminal 15 (ignition switched 12 volts) is in the left side circuit breaker box, you will find there the exact breaker for ACC marked on the sticker, also in the box is a GND point. Hill hold assist needs another sensor connected to the ABS control unit, please read my initial posts as i explained it there. You can find it here: http://audiforum.us/threads/adaptive-cruise-control-acc-retrofit.13441/  

Thanks again for all the info, parts are ordered what repair wires were necessary, I'm looking in elsa and etka and I can't find them.  

I connected the sensor at the ABS control unit and locked it in the OPEN position as if the brake pedal is not pressed. Open position means the actuator of the sensor is pressed inside 2 milimeters. Click to expand...

01316 is Communication Error with ABS Control Unit and has nothing to do with the ABS sensor for diafragm position. Have you coded the ABS for ACC?  

Yes I have coded with this code: 0562321... ACC is working, but turns off and doesn't turn on again.. Is adaptation ABS needed there?  

Write its own number the block ABS....  

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cruise control audi a3

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Cruise Control retrofit coding

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Hi all, I have a 2012 Q3 Sline that has all the accessories I require, except for the cruise control. It seems crazy that a £35,000 car can leave the factory without cruise control, but anyway! Audi Nottingham will install and code the cruise control unit for £330. But having seen how easy it is on YouTube, I wondered if I should try and save myself some £££. I can get the cruise control unit for £50 -£60 from a breakers, and I'm sure I can fit it myself. But looking online for the cable and software, I'm not sure if I can get what I need cheaply enough to make it worth while? Is there someone locally that can help me with the coding? Many thanks. Andrew  

Andrew You don't need the cable on the Q3 only the A1 needs it. if you can find someone local to you with VCDS/VAGCOM its not too difficult to do. The youtube link you have included above shows the coding steps in VCDS. Brent  

OBD eleven could be a viable low cost option for the coding Cheers Spike  

Thank for the replies. I've ordered the cruise control stalk from Synetiq (£55 delivered). I had a look at the OBDeleven option, and it seems I would need the Pro version (£61). So is there someone in the Midlands with VCDS or OBDeleven Pro that can help?? Many thanks Andrew  

Read my post here  

Good information, I'm also looking for the coding to do it by the VCDS  

The coding is in my post  

Don't buy that SHEEP ! It's not that bad but nothing special really... if you want to properly code with ease and confidence buy a VCDS, buy a clone if you want to save money, some cost half as much as the OBDeleven device and they're absolutely fine for the old Q3.  

Hi i just fitted my cruise control, you dont need a new bottom cover, when you remove the cover look inside the cover just lower down from the indicator hole you will see a marking where the new hole needs to be for the cruise control switch i just cut it out and it fits great, saved £53 job done.  

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Used Audi S4 for Sale in Moscow, ID

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2022 Audi S4 Premium Plus Sedan

• 16,053 miles
• No accidents, 1 Owner, Corporate fleet vehicle
• 6cyl Automatic
• CarMax Lynnwood ( 261 mi away )
• Leather Seats
• Sunroof/Moonroof

Located in Lynnwood , WA / 261 miles away from Moscow, ID

CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

AutoCheck Vehicle History Summary

Accident Free Vehicle : Yes

Personal Use Only : No

History Provider : AutoCheck

Title Details : Clean Title

Salvage Vehicle : No

Frame Damage : No

Theft History : No

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Free History Report : No

Features and Specs:

24 Combined MPG ( 21 City/ 30 Highway)

Listing Information:

VIN: WAUB4BF45NA007690 Stock: 25270672 Certified Pre-Owned: No

2018 Audi S4 Premium Plus quattro Sedan

• 75,177 miles
• 1 Accident, 2 Owners, Personal use
• Auto 206 ( 251 mi away )
• Back-up camera

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Climate Control, Dual Zone Climate Control, Cruise Control, Power Steering, Power Mirrors, Leather Steering Wheel, Power Drivers Seat, Power Passenger...

Accident Free Vehicle : No

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21 Combined MPG ( 18 City/ 28 Highway)

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• 65,044 miles
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• University Volkswagen ( 258 mi away )

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*NAVIGATION*, *PREMIUM PLUS PKG*, *QUATTRO*, *AWD*, *AUDI SIDE ASSIST*, *AUDI ADVANCED KEY*, *BLACK OPTIC PKG*, *USB*, *SATELLITE RADIO*, *SMART PHONE...

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Located in Portland , OR / 283 miles away from Moscow, ID

Looking for the perfect vehicle in Portland, OR, or nearby areas like Olympia, Tacoma, Lake Oswego, Milwaukie, Happy Valley, Oak Grove, or Gresham? Pr...

VIN: WAUBGAFL2DA083570 Stock: 083570 Certified Pre-Owned: No Listed since: 06-01-2024

2012 Audi S4 Premium Plus quattro Sedan

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• Landmark Motors ( 250 mi away )

Located in Bellevue , WA / 250 miles away from Moscow, ID

SWEET, CLEAN & LOADED SUPERCHARGED AWD SEDAN ** TOP-OF-LINE PRESTIGE PACKAGE * ADAPTIVE PROJECTION BEAM XENON HEADLIGHTS with DYNAMIC RANGE CONTROL & ...

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2021 Audi S4 3.0T Premium Plus quattro in Ibis White with Black Fine Nappa Leather Seats. Premium Plus Pkg, Black Optic Pkg, B&O 3D Sound, Sport Exha...

23 Combined MPG ( 20 City/ 28 Highway)

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21 Combined MPG ( 18 City/ 27 Highway)

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• 56,075 miles
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• 140,781 miles
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VIN: WAUBGAFL4EA008368 Stock: 2237 Certified Pre-Owned: No Listed since: 07-23-2024

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