Audi A3  Driver assistance  Driver assist systems  Audi adaptive cruise control
Applies to vehicles: with Audi adaptive cruise control
Depending on the equipment in your vehicle, different cruising speeds may apply to the adaptive cruise control:
ACC (assist package): You can set any speed1) between 30 and 200 km/h.
ACC: You can set any speed1) between 30 and 150 km/h.
Indicator lamps and messages in the instrument cluster display will provide you with information about the current driving situation and settings.
Switching on the adaptive cruise control
Pull the lever towards you to position -1- Fig. 1. ACC: standby will appear on the instrument cluster display.
Setting the speed and activating the cruise control
To set the current speed as the cruising speed, press the SET button Fig. 1. The speed setting is indicated by the LEDs -A- in the speedometer and is also shown briefly in the system status indicator -D- Fig. 2.
Vehicles with automatic gearbox: To activate the cruise control when the vehicle is stationary, the Audi hold assist* function must have been activated or you must press the brake pedal.
Switching off the adaptive cruise control
Push the lever away from you to position -0- until it engages. The message ACC: off will appear.
The LEDs indicating the stored speed in the speedometer dial will go out.
-B- Warning and indicator lamps
- The adaptive cruise control is switched on. No vehicle has been detected in front. A constant cruising speed is being maintained.
- A vehicle in front has been detected. The adaptive cruise control regulates the speed to maintain a constant distance to the vehicle in front, and brakes and accelerates the vehicle automatically.
- Automatic gearbox: The adaptive cruise control is switched on. A vehicle in front has been detected. Your vehicle is stationary and will not be set in motion again automatically.
- The adaptive cruise control alone is not able to brake the vehicle sufficiently to maintain a safe distance to the vehicle in front. You must intervene Link.
-C- Graphical display in instrument cluster
If the adaptive cruise control is not shown on the instrument cluster display, you can call up the display using the controls on the multi-function steering wheel Link.
The graphical display shows you when a vehicle in front is detected and indicates how far away you are from that vehicle:
No vehicle - No vehicle has been detected in front.
Vehicle in white - A vehicle has been detected in front.
Vehicle in red - Driver intervention prompt Link.
The two arrows on the scale -C- indicate the distance to the vehicle in front. If there is no vehicle in front, no arrows will be shown. If a vehicle is detected in front, the arrows will be on the scale.
The green area of the scale represents the distance setting (for information on how to change the distance setting, refer to Link). When the actual distance is shorter (or is likely to become shorter) than the distance selected, the arrows move into the red area of the scale.
WARNING!
Vehicles with automatic gearbox: If you press the SET button at a speed of less than 30 km/h, the vehicle will automatically accelerate up to the minimum speed setting of 30 km/h.
Note
  • The speed setting is cleared for safety reasons when you switch off the ignition or the adaptive cruise control system.
  • When the adaptive cruise control is activated, you cannot switch on the ESC sport mode.
1) The speed limits vary in different countries and depend on the units of speed on the speedometer.

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