See also:

Running out of fuel (diesel)
If your vehicle is fi tted with an HDI engine, the fuel circuit must be reprimed if you run out of fuel. This system consists of a repriming pump, a transparent pipe and a degas screw under the b ...

Remote control
Central unlocking A short press on button B unlocks your vehicle. This operation is confirmed by the rapid flashing of the direction indicators and the lighting of the interior lamp (if the func ...

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 ...