Frequently-asked questions

Citroen C4 / Citroen C4 Owner's Manual / Audio / Frequently-asked questions

The table below provides answers to the questions that are asked the most frequently.

 

 

 

 

 

 

 

    See also:

    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 ...

    Bonnet release
    This should only be operated if the vehicle is stationary. To release the bonnet, pull control A located under the dashboard to the right. Move the lever A, located above the grille, to the righ ...

    Diesel engines HDi 173 - V6 HDi 208 (with particle filter)
    1. Screen wash and headlamp wash reservoir. 2. Power steering and suspension fluid reservoir. 3. Engine coolant reservoir. 4. Engine oil gauge. 5. Engine oil topping-up. 6. Air filter. 7. Brak ...