See also:

Hill start assist
(with 6-speed electronic gearbox system) To aid starting on a gradient, your vehicle is equipped with a system that keeps it temporarily immobilised. It keeps the brakes applied for a brief moment, ...

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, - ...

Efficient engineering
Citroën has utilised the latest industrial technologies, along with a 'part by part' focus on reducing the weight and number of components in new C4. For example, the laser welding on the roo ...