See also:

Trip computer with touch screen
System which provides current information concerning the trip (range, fuel consumption…). ...

Horn
Audible warning system to alert other road users to an imminent danger. Press the central part of the multifunction steering wheel. Use the horn moderately and only in the following circumstances: ...

Switching on
The rear screen demisting/defrosting can only operate when the engine is running. Press this button to demist/defrost the rear screen and (depending on version) the door mirrors. The indicator lamp ...