Audi A4 Owners & Service Manuals

Audi A4: Setting the distance

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 112 Operating lever: setting the distance

When approaching a vehicle driving ahead, the adaptive cruise control system brakes to match that vehicle's speed and then adjusts to the set distance. If the vehicle driving ahead accelerates, then the adaptive cruise control will accelerate up to the speed that you have set.

  • Tap the rocker switch to display the distance that is currently set.
  • To increase or decrease the distance in increments, tap the switch again toward (+) or (-).

The newly-set distance will be shown briefly, for example with the indicator light.

If you adjust the speed, you must also change the time gap to the vehicle driving ahead. The higher the speed, the greater the distance that is needed.

The following distances can be set:

Setting the distance

Setting the distance

WARNING

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

Tips

  • When setting the distance, the driver is responsible for adhering to any applicable legal regulations.
  • In the Driver assistance display, a graphic display is shown instead of the indicator lights (6), fig. 109. The display matches the functions of the indicator lights.
  • Depending on the selected driving program and distance, driving behavior when accelerating may vary from moderate to sporty, Adjusting adaptive cruise control.
  • The distances provided are specified values.

    Depending on the driving situation and how the vehicle ahead is driving, the actual distance may be more or less than these target distances.

Overriding control

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 113 Lever: overriding the control

Requirement: adaptive cruise control must be switched on.

Overriding control

You can completely override the control, for example when passing or if you would like to accelerate more quickly.

  • To accelerate manually, pull the lever toward you in the direction of the arrow and hold it there, or press the accelerator pedal.
  • To resume the usual cruise control, release the lever or remove your foot from the accelerator pedal.

When you are in the Driver assistance display, the message Overridden will appear.

Decreasing the distance

The function decreases the set distance and provides assistance, for example when merging when a lane is ending.

  • To further reduce the distance to the vehicle ahead temporarily, pull the lever toward yourself in the direction of the arrow and hold it in that position.
  • To resume the system control, release the lever.

The adaptive cruise control reduces the distance and, if necessary, accelerates the vehicle above the set speed. When you are in the Driver assistance display, the message Overridden will appear.

WARNING

  • Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.
  • Resting your foot on the accelerator pedal could override the cruise control. Braking interventions and corrective actions by the system may not occur.

Driving in stop-and-go traffic

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Applies to: vehicles with safe start monitor
Fig. 114 Instrument cluster: safe start monitor

Stopping with adaptive cruise control

The adaptive cruise control system also assists you in stop-and-go traffic1). Within the limits of the system, your vehicle may brake and remain at a stop if a vehicle driving ahead stops.

1) Depending on the engine

Starting to drive with adaptive cruise control

As long as the message ready to drive and is displayed, your vehicle will begin driving when the vehicle ahead starts to move.

If your vehicle is stopped for too Long, it will no longer drive autonomously for safety reasons, and the message will turn off.

  • To extend a ready to drive mode for several seconds or reactivate, pull the lever briefly towards you in the direction of the arrow, fig. 113.
  • To resume manual control of the vehicle, tap the accelerator pedal.

Safe start monitor

Applies to: vehicles with safe start monitor

The vehicle can still start to drive even if certain obstacles are detected when starting to drive. If the surrounding area detection detects an obstacle, you will be alerted to the danger by the indicator light.

If you are in the Driver assistance display, the (1) fig. 174 and the message Warning! will also appear. An audio signal will also sound.

Your vehicle will drive more slowly when starting.

This may also occur in some situations when there is no apparent obstacle.

  • Press the brake pedal to slow your vehicle if necessary.

WARNING

  • Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.
  • If the message ready to drive1) appears, your vehicle will start driving even if there is an obstacle between your vehicle and the vehicle ahead. To reduce the risk of an accident, always make sure there are no obstacles between your vehicle and the vehicle driving ahead.

Tips

For safety reasons, the adaptive cruise control only controls actively if

  • The driver's safety belt is fastened
  • All doors and the hood are closed
  • The vehicle has not been stationary for a long period of time

Driver intervention request

Applies to: vehicles with Audi adaptive cruise control

Driver assistance
Fig. 115 Instrument cluster: request for driver intervention

The request for driver intervention instructs you to take over if the adaptive cruise control braking function is not able to maintain a sufficient distance to the vehicle driving ahead. The system will warn you of the hazard with the indicator light and the message Distance! An audio signal will also sound.

The display (1) only appears when the Driver assistance display is open in the trip computer.

WARNING

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

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