See also:

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 ...

Weights - petrol
...

Operating faults
If there is an operating fault, when reverse gear is engaged the service warning lamp comes on, accompanied by an audible signal (short beep) and a message on the multifunction screen. In bad or ...