Volvo XC90: Driver support / Recommended camera and radar sensor maintenance
In order for the camera and radar units to function properly, they must be
kept free of dirt, ice, snow, etc. and should be washed regularly with water and
car washing detergent.
NOTE
Dirt, ice and snow covering the sensors could cause false warnings, reduced
function, or no function.

Location of the Park Assist sensors

Location of rear radar sensors. Keep the marked area clean
(on both the left and right sides of the vehicle).
- For best possible performance, it is important to keep the areas in front
of the sensors clean.
- Do not attach any objects, tape or decals to the surface of the sensors.
- Clean the camera lenses regularly using lukewarm water and car washing detergent.
Wash gently to avoid scratching the lens.
CAUTION
Only a workshop may perform maintenance on driver support components –
an authorized Volvo workshop is recommended.
The camera and radar sensor used by several of the driver support functions
has certain limitations, which also affect the functions using the camera and radar
sensor...
Here are examples of some of the messages and symbols related to the camera
and radar units that may be displayed in the instrument panel.
Sensor blocked
If this symbol and the message Windscreen sensor Sensor blocked, see
Owner's manual is displayed in the instrument panel, it means that the camera
and radar unit are unable to detect other vehicles, cyclists, pedestrians and large
animals in ..
Other information:
(Option/accessory.)
(Depending on market, this function can be either standard or optional.)
Adaptive Cruise Control (ACC1) can be deactivated and put in standby
mode. This may happen automatically or be due to driver intervention.
Standby mode means that the function is selected in the instrument panel but
not activated. In standby mode, Adaptive Cruise Control will not regulate speed
or dista..
The BLIS1 function can be activated or deactivated.
Activate or deactivate the function
using this button in the center display's Function view.
GREEN button indicator light – the function is activated.
GRAY button indicator light – the function is deactivated.
If BLIS is activated when the engine is started, the indicator lights in the
rearview mirrors will flash once.
If BLIS is deact..