See also:

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 ...

Keys
The key operates all the vehicle’s locks as well as the ignition. Note: For safety reasons, a buzzer will sound if you have switched off the ignition and opened the driver’s door without previous ...

Overview
With attractive, sculpted lines; impressive build quality; and an array of original upmarket features and functions, the new Citroën C4 is a perfect balance of confidence-inspiring styling an ...