See also:

Changing a bulb
Procedure for replacing a faulty bulb with a new bulb . In some climatic conditions (e.g. low temperature or humidity), the presence of misting on the internal surface of the glass of the headla ...

Deactivation
In exceptional conditions (starting a vehicle which is bogged down, stuck in snow, on soft ground...), it may be advisable to deactivate the ASR and ESP systems, so that the wheels can move freel ...

Ventilation
Air intake Make sure that the exterior air inlet grille at the base of the windscreen is clean (free of dead leaves, snow etc.). If washing the vehicle with a high pressure jet, take care to avo ...