See also:

Traction control (TC)
This function is designed to help reduce wheel spin by transferring power from a drive wheel that begins to lose traction to the wheel on the opposite side of the vehicle (on the same axle). TC ...

Accessory installation
We strongly recommend that Volvo owners install only genuine, Volvo-approved accessories, and that accessory installations be performed only by a trained and qualified Volvo service technicia ...

Faults in the system
If the yellow warning symbol illuminates and PARK ASSIST SERVICE REQUIRED is shown on the information display, this indicates that the system is not functioning properly and has been disengage ...