The concept

Indicator/warning lamps
The indicator and warning lamps can light up in a variety of combinations and colors.
Several of the lamps are checked for proper functioning when the engine is started or the ignition is switched on, and light up briefly.
See also:
Interior motion sensor
The windows and glass sunroof must be closed
for the system to function properly. ...
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 ...
Fuel cap
The indicator lamp
lights up.
If the fuel cap is not properly tightened,
the OBD system may conclude that
fuel vapor is escaping. If the cap is then tightened,
the display should go out in a ...
