See also:

Reactivation
These systems are reactivated automatically each time the ignition is switched back on or from 30 mph (50 km/h). Press the "ESP OFF" button again to reactivate them manually. ...

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 ...

Ignition switch
- Position 1: Stop - Position 2: Ignition - Position 3: Starting Lost keys Visit a CITROËN dealer with the vehicle's V5 registration document and your personal identifi cation documents. ...