Safety

Citroen C4 / Citroen C4 Owner's Manual / Safety

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Deactivation
In exceptional conditions (starting a vehicle which is bogged down, stuck in snow, on soft ground...), it may be advisable to deactivate the ASR and ESP systems, so that the wheels can move freel ...

Diesel particulate filter system
Complementary to the catalytic converter, this filter makes an active contribution to the preservation of air quality by the retaining of the unburnt pollutant particles. Black exhaust fumes are t ...

Rear screen demist and defrost
The control button is located on the heating or air conditioning system control panel. Switching on The rear screen demisting/defrosting can only operate when the engine is running. Press thi ...