Audi A7 2023 Owner's Manual page 298

Emergency assistance
If the towing loop is not tightened until it
stops when installing, the threads may be
pulled out when towing the vehicle and result
in an accident.
Depending on the model, the shape of the cap
can vary.
Rear towing loop
Fig. 174 Rear bumper: installing the towing loop
The threaded opening for the towing loop is lo-
cated on the right rear of the bumper.
If the towing loop is not tightened until it
stops when installing, the threads may be
pulled out when towing the vehicle and result
in an accident.
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