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 ...

Units
Once the "Units" menu has been selected, you can change the units of the following parameters: - temperature (°C or °F), - fuel consumption (l/100 km, mpg or km/l). Once the fuel consu ...

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 ...