See also:

Radar sensor
Position Radar sensor Dirty or covered sensor A dirty or covered sensor may hinder the detection of vehicles. ▷ If necessary, clean the radar sensor. Remove layers of snow and ice care ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Drive away without delay
Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its ope ...