See also:

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: ...

Misfuel prevention (diesel)
Mechanical device which prevents filling the tank of a Diesel vehicle with petrol. It avoids the risk of engine damage that can result from filling with the wrong fuel. Located in the filler neck ...

Unlocking the vehicle Complete unlocking
Using the key Turn the key to the front of the vehicle to unlock the vehicle. Using the remote control Press the open padlock to unlock the vehicle. Unlocking is confirmed by rapid flashing of ...