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: ...

Seat backrest angle
Push the control rearwards. ...

Hill start assist
Your vehicle is equipped with a system which keeps it immobile for a short time (approximately 2 seconds) to assist you when starting on a hill, the time required for you to move your foot from ...