See also:

Horn
Audible warning system to alert other road users to an imminent danger. Press the central part of the multifunction steering wheel. Use the horn moderately and only in the following circumstances: ...

Fitting
When fitting the mat for the first time, on the driver's side use only the fixings provided in the wallet attached. The other mats are simply placed on the carpet. ...

Secondary control
For mechanically locking and unlocking the doors in the event of a fault with the central locking system or a battery failure. ...