See also:

Operating fault
In the event of a malfunction of the system, when reverse gear is engaged this warning lamp is displayed in the instrument panel and/or a message appears in the screen, accompanied by an audible ...

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: ...

Tyre under-inflation detection
System which automatically and continuously checks the pressure of the tyres while driving. Sensors fitted in each valve trigger a warning in the event of problem (speed above 12 mph (20 km/h)) ...