See also:

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

Stop & start
The Stop & Start system puts the engine temporarily on standby - STOP mode - during stops in the traffic (red lights, traffic jams, or other...). The engine restarts automatically - START mode ...

Remote control key
A. Unfolding / Folding the key. Normal locking (press once; fixed lighting of the direction indicators). or Deadlocking the vehicle (press twice in succession; fixed lighting of the direction ...