Faults in the system

If the information symbol illuminates and Park assist syst Service required is shown on the information display, this indicates that the system is not functioning properly and has been disengaged. Consult a trained and qualified Volvo service technician.
CAUTION
In certain circumstances, the park assist system may give unexpected warning signals that can be caused by external sound sources that use the same ultrasound frequencies as the system. This may include such things as the horns of other vehicles, wet tires on asphalt, pneumatic brakes, motorcycle exhaust pipes, etc. This does not indicate a fault in the system.
See also:
Cleaning the BLIS camera lenses
In order to function optimally, the BLIS camera
lenses must be kept clean. They can be wiped
clean with a soft cloth or wet sponge.
CAUTION
• Clean the lenses carefully to avoid
scratching.
...
Steel cargo grid
Your vehicle can be equipped with a steel grid
that helps prevent objects in the cargo area
from moving forward into the passenger compartment. ...
Switching off the rear screens
Both of rear screens can be switched off from
the front center control panel. This function can
be activated under RSE settings
Display
off as explained in points 2-4 in the section
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