Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Issuing a warning
If the vehicle begins leaving the lane and a lane
marking has been detected, the steering wheel
begins vibrating.
If the turn signal is set before the lane is
changed, a warning is not issued.
...
Camera
The camera is located near the base of the mirror.
Keep windshield clean and clear in the area in
front of the interior rear view mirror. ...
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 carefull ...