See also:

Cleaning the wheels
Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning ...

Problems with fuel and the fuel tank
Problem Possible causes/consequences and - Solutions Fuel is leaking from the vehicle. !!! Risk of explosion or fire !!! The fuel line or the fuel tank is defective.•` ...

Deactivating/activating PARKTRONIC
1 Indicator lamp 2 To deactivate/activate PARKTRONIC If indicator lamp 1 lights up, PARKTRONIC is deactivated. Active Park Assist is then also deactivated. PARKTRONIC is automatically ac ...