See also:

Horn
Audible warning to alert other road users to an imminent danger. Press one of the spokes of the steering wheel. Use the horn moderately and only in the following cases: - immediate danger, ...

Locking / unlocking from the inside
Press the switch. This allows the doors and the boot to be locked or unlocked. If one of the doors is open, the doors are not locked. When locking / deadlocking from outside When the vehicle is ...

Checks
Unless otherwise indicated, check these components in accordance with the servicing booklet and according to your engine. Otherwise, have them checked by a PEUGEOT dealer or a qualified workshop. ...