Audi A4 Owners & Service Manuals

Audi A4: Operating Audi adaptive cruise control

Audi A4 (B9) 2016-2023 Owner's Manual / Assist systems / Driver assistance / Operating Audi adaptive cruise control

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 110 Operating lever: operating adaptive cruise control

Driver assistance
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 activating regulation

If you have switched the system on, you can set the current speed as the "regulated speed" and activate regulation:

  • Press the [SET] button 2. The set speed is indicated with a marking in the speedometer 1, fig. 108 and shown in the instrument cluster.
  • To save the speed while the vehicle is stationary, also hold the brake pedal down.

You can set any speed between 15 mph (20 km/h)1) and the maximum possible speed range 32), fig. 108.

1) Analog instrument cluster: 20 mph (30 km/h)
2) Depends on the country and engine

Pausing cruise control

The control can be stopped at any time:

  • While driving or when the vehicle is stationary: Press the lever away from you in the direction of the arrow. Or
  • While driving: Press the brake pedal.

The indicator light turns off.

Resuming regulation

The previously set speed can be resumed at any time after a pause.

  • To resume cruise control while driving, pull the lever toward you in the direction of the arrow.
  • To resume cruise control when stationary, pull the lever toward you in the direction of the arrow while pressing the brake pedal.

Changing the speed

  • To increase or decrease the set speed in smaller increments, briefly tap the lever toward (+) or (0) to the first level.
  • To increase or decrease the set speed in larger increments, briefly tap the lever toward (+) or (0) to the second level.
  • To increase or decrease the set speed continuously, hold the lever toward (+) or (-) until the marking in the speedometer (1), fig. 108 has reached the desired speed.

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

Preselecting a speed

You can also preselect the speed when adaptive cruise control is not active by moving the lever in the desired direction (+)/(-). Activate the previously selected speed by pulling the lever toward you in the direction of the arrow.

Switching off

If you do not want to use the adaptive cruise control for a long period of time, you can switch it off.

  • Push the lever away from you into position (0) until it clicks into place.

The indicator light and the set speed will turn off.

WARNING

  • Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.
  • The activated adaptive cruise control is only an assist system, and the driver is still responsible for controlling the vehicle. The driver is especially responsible for braking, steering, starting to drive, and controlling the speed and the distance from other vehicles.
  • Turn on the adaptive cruise control only if the surrounding conditions permit it. Always adapt your driving style to the current visual, weather, road, and traffic conditions.
  • Switch adaptive cruise control off temporarily when driving in turning lanes, on expressway exits or in construction zones. This prevents the vehicle from accelerating to the stored speed when in these situations.
  • If you press the [SET] button (2) when driving at speeds below 15 mph (20 km/h)1), the minimum possible speed that the system can maintain will be set. If no vehicle is detected ahead of you, the vehicle will accelerate up to that speed.

Tips

  • Always keep your hands on the steering wheel so you can be ready to steer at any time. The driver is always responsible for adhering to the regulations applicable in the country where the vehicle is being operated.
  • If you switch the ignition or the adaptive cruise control system off, the set speed is erased for safety reasons.
  • When adaptive cruise control is switched on, the ESC and ASR automatically switch on.
  • The system cannot be switched off or it may be interrupted if the road exceeds the maximum possible grade for safe operation.

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