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: ...

Repair procedure
1. Sealing Switch off the ignition. Turn the selector A to the "sealant" position. Check that the switch B is in position "O". Avoid removing any foreign bodies whic ...

Operation
When a petrol filler nozzle is introduced into the fuel filler neck of your Diesel vehicle, it comes into contact with the flap. The system remains closed and prevents filling. Do not persist but ...