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. ...

After washing the vehicle
After washing the vehicle, apply the brakes briefly to dry them; otherwise, braking action can be reduced and corrosion of the brake discs can occur. ...