See also:

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 ...

Anti-theft protection
Electronic engine immobiliser The key contains an electronic chip which has a special code. When the ignition is switched on, this code must be recognised in order for starting to be possible. T ...

Electronic stability programmes
Electronic Stability Programme (ESP) and Traction Control (ASR) These systems are closely connected to the ABS and additional to it. Where a difference is detected between the trajectory followed b ...