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,
- when approaching an area
- where there is no visibility.
See also:
Comfort & convenient technology
The new Citroën C4 is designed for business-class travel with intuitive,
intelligent technology enabling owners to tailor the new C4's environment and
ambience to their own preferences. For e ...
Additional adjustments
Head restraint height adjustment
To raise the head restraint, pull it forwards
and upwards at the same time.
To remove the head restraint, press the
lug A and pull the head restraint upwards ...
Anti-intrusion alarm
The anti-intrusion alarm provides:
Exterior perimeter protection by means of detectors on the vehicle access points
(doors, boot, bonnet).
Electrical supply protection.
Interior volumetric prot ...