See also:

Functional readiness of the airbag system
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tension ...

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...

Emissions
The warning lamp lights up: The vehicle is producing higher emissions. The trip can be continued. Have the car checked as soon as possible. Canadian models display this warning lamp. The lamp f ...