See also:

Emissions
▷ The warning lamp lights up: Emissions are deteriorating. Have the vehicle checked as soon as possible. ▷ The warning lamp flashes under certain circumstances: This indicates that ...

Activation/deactivation
Press the button. ...

Switching off automatically
The system switches off and the LED goes out: ▷ After approx. 165 ft/50 m when driving forward. ▷ After approx. 22 mph/35 km/h when driving forward. Switch on the system again if nece ...