Audi Q7 Owners & Service Manuals

Audi Q7: Rear cross-traffic assist


Applies to: vehicles with rear cross-traffic assist

Parking and maneuvering
Fig. 132 Sensor

Parking and maneuvering
Fig. 133 Center display: rear cross-traffic assist display

General information

The rear cross-traffic assist monitors the area behind and next to the vehicle using radar sensors at the rear corners of the vehicle. The system can detect moving objects that are approaching, such as vehicles > fig. 132. A display in the MMI (1) and various warnings provide assistance when exiting a parking space.

Requirements for using the rear cross-traffic assist:

  • The parking system is switched on.
  • The speed while driving backwards is not higher than approximately 6 mph (10 km/h).

Displays, warnings, and braking

  • Display: the display (1) appears only when the parking aid is active. In vehicles with peripheral cameras, the display only appears in the Rear and Rear corner camera views. Arrows show the direction from which the cross traffic is approaching.
  • Audible warnings: an audio signal may sound as an additional warning when driving in reverse.
  • Automatic brake activation: if you do not react to a warning, a brief braking by the system can warn you of a potential collision with an approaching object.

The audible warning signal and the automatic brake activation occur only when driving in reverse.

Switching the rear cross-traffic assist on and off

  • Applies to MMI: Select on the home screen: VEHICLE > Parking aid > Rear cross-traffic assist.


  • Select > Rear cross-traffic assist in the center display when the parking system is active.


If or is displayed when there is a malfunction, the rear cross traffic assist functions may be unavailable or may be limited.

A message that indicates the cause and possible solution may appear with some displays. The weather conditions may be too poor or a sensor may be covered. Clean the area of the sensors at the rear corners of the vehicle fig. 103 and try to turn the system on again later.

If the malfunction remains, drive to an authorized Audi dealer or authorized Audi Service Facility immediately to have the malfunction corrected.


  • Observe the safety precautions and note the limits of the assist systems, sensors, and cameras.
  • The rear cross-traffic assist will not provide alerts about people and cannot warn you about every type of approaching objects, such as cyclists. Always monitor the traffic as well as the vehicle's surroundings with direct eye contact.
  • The system may not react at all or it may not react on time when objects are approaching very quickly.
  • The rear cross-traffic assist will not provide alerts if your vehicle is parallel or diagonally parked or if your vehicle is pulled too far into the parking space so that it is hidden by adjacent vehicles.


  • Once an automatic brake activation occurs, the system cannot initiate another activation for several seconds.
  • System functions may not be available if the ESC is limited or switched off, or if there is a malfunction.
  • If there is an audio warning signal from the rear cross-traffic assist, then the parking aid may not be able to provide audio warnings about detected obstacles under certain circumstances.
  • The system is not available when the vehicle detects that you are towing a trailer. There is no guarantee the functions will switch off when using a retrofitted trailer hitch. Do not use these functions when towing a trailer.
  • The system complies with United States FCC regulations and ISED regulations.
  • The coverage areas of the sensors > fig. 132 are diagrams and do not represent a true-to- scale image of the sensor ranges.


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