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Audi A4 (B9) 2016-2022 Owner's Manual: Audi adaptive cruise control

General information

Applies to: vehicles with Audi adaptive cruise control

Depending on vehicle equipment, Audi adaptive cruise control may consist of the following functions: Within the limits of the system, the adaptive speed and distance control assists the driver in controlling the speed and the set distance to the vehicle driving ahead. If the system detects a vehicle driving ahead, the adaptive cruise control can brake and accelerate your vehicle within the limits of the system. On open roads with no traffic, it functions like a cruise control system. The stored speed is maintained. When approaching a vehicle driving ahead, the adaptive cruise control system automatically brakes to match that vehicle's speed and then maintains the set distance as much as possible. As soon as the system does not detect a vehicle driving ahead, adaptive cruise control accelerates up to the stored speed.

In stop-and-go traffic, the vehicle may brake to a full stop and then may also start driving again automatically under certain conditions.

Applies to: vehicles with traffic jam assist: In traffic jams or in stop-and-go traffic, the traffic jam assist can assist the driver to stay within the lane detected by the system.

Applies to: vehicles with efficiency assist: Predictive control can adjust the set speed based on traffic and road conditions.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

Tips

The system complies with United States FCC regulations and ISED regulations.

Limitations

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 107 Example: driving into a curve

In some situations, the adaptive cruise control function is limited and you must assume control of the vehicle when necessary, for example by applying the brakes.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

Display overview

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 108 Instrument cluster: display in the speedometer

Driver assistance
Fig. 109 Instrument cluster: driver assistance display

Indicator lights and messages in the speedometer 1- 3 inform you about the driving situation and the settings. In the Driver assistance display 4 - 10, you can find more detailed information about the system. The displays depend on the country and equipment.

Display in the speedometer

  1. Marking for the set speed
  2. Current vehicle speed
  3. Available speed range for the adaptive cruise control (example)

Image in the Driver assistance display

The display only appears when the Driver assistance display is open in the trip computer

  1. Messages and settings
  2. Detected vehicle driving ahead
  3. Set target distance
  4. If you fall below the set distance, the distance bars turn red from the bottom upward
  5. Your vehicle
  6. Availability of Audi active lane assist
  7. Availability of traffic jam assist

Indicator lights

- The speed/distance control is active. No vehicles were detected ahead. The stored speed is maintained.

- The speed/distance control is active. A vehicle was detected ahead. The system controls the speed and distance from the vehicle driving ahead, and accelerates and brakes automatically.

- The speed/distance control is active but the vehicle is not ready to drive. A vehicle was detected ahead. Your vehicle is stationary and will not start driving automatically.

- The speed/distance control is active but the vehicle is not ready to drive. No vehicles were detected ahead. Your vehicle is stationary and will not start driving automatically.

- The automatic braking is not enough to maintain a sufficient distance from a vehicle driving ahead. You must intervene, Driver intervention request.

WARNING

Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.

Efficiency assist
Description Applies to: vehicles with efficiency assist Efficiency assist can assist the driver with predictive information in order to reduce fuel consumption. Depending on vehicle equipment, the ...

Operating Audi adaptive cruise control
Applies to: vehicles with Audi adaptive cruise control Fig. 110 Operating lever: operating adaptive cruise control Fig. 111 Operating lever: changing the speed Switching on To switch on the adapti ...

Other materials:

Throttle Body
Purpose, Function Opens/closes the throttle valve to adjust the amount of air supplied to the cylinder. Opens/closes the throttle valve according to the control signal from the PCM. Construction The throttle body is installed to the intake manifold. Th ...

Operating Audi adaptive cruise control
Applies to: vehicles with Audi adaptive cruise control Fig. 110 Operating lever: operating adaptive cruise control Fig. 111 Operating lever: changing the speed Switching on To switch on the adaptive cruise control, pull the lever up to position 1 until it engages. Storing the speed and activat ...

Door Locks
WARNING Always take all children and pets with you or leave a responsible person with them: Leaving a child or a pet unattended in a parked vehicle is dangerous. In hot weather, temperatures inside a vehicle can become high enough to cause brain damage or even death. Do not leave the key in ...

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