Audi Q7 - Flowchart; Towing Mode

23
If the vehicle is drawing closer and the danger of a rear end
impact continues to increase, the front seat belts are electri-
cally tensioned to the extent necessitated by the situation. If
one's own vehicle speed exceeds a pre-defined value, the seat
belts are not tensioned.
3. The airbag control unit J243 activates tensioning of the seat belts
via the front left seat belt tensioner control unit J854 and the front
right seat belt tensioner control unit J855, which are connected to
the airbag control unit J234 via a sub-bus system.
Towing mode
If a trailer is detected coupled to the vehicle via a factory fitted tow
bar, Audi pre sense rear is not active.
Reference
For further information, please refer to the handbook. For more information about the ACC, refer to self Study Pro-
gramme633 "AudiQ7(type4M)Chassis". For further information about the front camera for driver assistance systems,
please refer to Self Study Programme635 "Audi Q7 (type 4M)".
If a trailer is detected, the engine is running and the vehicle has
reached a speed of about 5 kph, the 1st display appears in the
instrument cluster. If presensecity is also installed, the
1stdisplay is followed by the 2nd.
1st display 2nd display
637_002
RECAS warning Closing of the side windows and
the panoramic glass sunroof.
Inflation of the side bolsters of
the seat backs and the front seats
Visual driving
warning
Tensioning of the electrically
reversible seat belt tensioners
Collision
Flowchart
637_042
Audi pre sense:
currently restricted.
Towing mode
637_031
Emergency braking system
switched o
Note
The driver information display in Fig. 637_031 is expected to change at a later point in time in the instrument cluster.
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