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:
Towing a trailer
The maximum weights recommended by Volvo
for trailers with brakes are shown in the table
below.
Recommended hitch tongue load: not more
than 10% of the trailer's weight. The trailer
load should ...
Maintenance services
Your Volvo passed several major inspections
before it was delivered to you, in accordance
with Volvo specifications. The maintenance
services outlined in the Warranty and Service
Records Informati ...
Driving on rough/unpaved surfaces
The Volvo XC90 is designed primarily for onroad
driving, and it has excellent handling characteristics
on very rough or unpaved roads.
When driving on poorly maintained or unpaved
roads, please ...
