See also:

Trims
The new Citroën C4 is available in three trim levels - VTR, VTR+ and Exclusive. The entry-level VTR comes generously equipped, including six airbags, ESP, Hill Start Assist, manual air cond ...

Anti-theft protection
Electronic engine immobiliser The key contains an electronic chip which has a special code. When the ignition is switched on, this code must be recognised in order for starting to be possible. T ...

Anti-skid regulation (ASR) and electronic stability programme (ESP)
The anti-skid regulation (also known as Traction Control) optimises traction to prevent skidding of the wheels, by acting on the brakes of the driving wheels and on the engine. The electronic sta ...