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:
Oil volume
...
Returning to mode 0 from mode I
Open the driver's door. ...
Water on brake discs and brake pads affects braking
Driving in rain and slush or passing through an automatic car wash can cause
water to collect on the brake discs and pads. This will cause a delay in braking
effect when the pedal is depressed. To ...
