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. ...

12 V battery
Procedure for starting the engine using another battery or charging a discharged battery. The presence of this label, in particular with the Stop & Start system, indicates the use of a 12 V ...

Starting using another battery
Connect the red cable to the positive terminal (+) of the flat battery A , then to the positive terminal (+) of the slave battery B. Connect one end of the green or black cable to the negati ...