Instruction book Audi A3 Version Year 2017
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Audi A3 Driver assistanc... Driver assist sy... Audi side assis...
Applies to: vehicles with rear cross-traffic assist
Fig. 169 Example diagram
Fig. 169 Example diagram
Fig. 170 Infotainment: Rear cross-traffic assist display
Fig. 170 Infotainment: Rear cross-traffic assist display
Activating the rear cross-traffic assist
The rear cross-traffic assist is automatically activated when you switch on the parking aid link or select reverse gear.
The rear cross-traffic assist can warn you about potential collisions with approaching traffic while you are reversing at a speed of up to approx. 12 km/h. The system uses the radar sensors Fig.  to monitor the area behind and to the side of the vehicle when you are leaving a parking space. Where possible, it detects objects, such as cars, as they approach the vehicle Fig. 169.
If critical cross-traffic is detected when reversing out of a parking space, the system reacts as follows:
  • Graphic display: A graphic with a red arrow symbol appears on the infotainment display. The arrow indicates the direction from which the object is approaching Fig. 170.
  • Warning tone: A tone may sound continuously as an additional signal when you are reversing.
  • Automatic brake jolt: A short sharp application of the brakes may also warn against a potential collision with an approaching object.
The warning tone and the automatic brake jolt only occur while you are reversing.
WARNING
  • The purpose of the rear cross-traffic assist is to assist the driver; it cannot prevent a collision on its own. The driver must always intervene personally. As the driver you are always responsible for braking in good time.
  • Please note that the rear cross-traffic assist may apply the brakes unexpectedly. Always secure your luggage to prevent damage and possible injury.
  • After an automatic brake jolt, no further brake jolt will occur within 10 seconds.
  • If the rear cross-traffic assist gives an acoustic warning signal, the parking aid may no longer be able to warn you against obstacles it has detected.
  • The radar sensor vision can be impaired, e.g. by leaves, snow, heavy road spray or dirt. Clean the area in front of the sensors Fig. .
WARNING
The rear cross-traffic assist has certain inherent limitations and cannot warn against an impending collision in every situation:
  • It cannot give a warning if the vehicle is so far into a parking space that it is hidden by the vehicles in front and behind.
  • People such as cyclists, joggers, inline skaters and pedestrians may not be detected in certain situations.
  • It cannot give a warning when you are parked at an angle or parallel to the roadside.
CAUTION
Please also observe the notes .
Note
  • The automatic brake application with increasing brake force can be cancelled by applying the brakes yourself or by pressing the accelerator firmly.
  • In certain situations, a warning may be given by the rear cross-traffic assist even if there is no traffic in the critical zone, for instance when parking or manoeuvring the vehicle in reverse.
  • The rear cross-traffic assist is deactivated automatically if you deactivate the ESC.
  • The system is not available in towing mode.
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