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: ...

Steering mounted control paddles
+. Change up paddle. Press the back of the "+" steering mounted paddle to change up a gear. -. Change down paddle. Press the back of the "-" steering mounted paddle to change ...

Checking tyre pressures / inflating accessories
You can also use the compressor, without injecting any product, to: - check or adjust the pressure of your tyres, - inflate other accessories (balls, bicycle tyres...). Turn the selector A to ...