Sensors
The sunlight sensor on the dashboard and passenger compartment temperature sensor in the ECC control panel should not be covered in any way as this could cause incorrect information to be sent to the ECC system.
See also:
Spots on interior plastic, metal, or wood surfaces
Cleaning interior plastic components should
be done with a cleaning agent specially
designed for this purpose. Consult your Volvo
retailer. ...
The radar sensor and its limitations
In addition to being used by ACC, the radar
sensor is also used by Distance Alert (see
page 164) and Collision Warning with Full
Auto-brake and Pedestrian Detection (see
page 172). This sensor ...
Blower control
Turn the control clockwise to
increase or counterclockwise
to decrease the blower
speed. If AUTO is selected,
blower speed will be regulated
automatically and this will
override manual a ...