See also:

Changing the battery
If required, replace the battery with a genuine spare part having the same specifications. If a battery with different specifications is fitted, the service intervals given in the “Service schedule ...

If an exterior light burns out
Alterations or repairs to the electric system not carried out correctly and without taking into account the system specifications may cause failures and the risk of fire. See “If a bulb burns ou ...

Central door locking system
From the outside With the doors closed, fit and turn the key in one of the front door locks. From the inside With the doors closed, press (to lock) or lift (to unlock) one of the front door knobs ...