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 ...

Fitting a wheel
Fitting the "space-saver" spare wheel If your vehicle is fitted with alloy wheels, when tightening the bolts on fitting, it is normal to notice that the washers do not come into contact ...