See also:

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 ...

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 ...

Power steering fluid
Check the level frequently. The fluid does not require changing. The fluid level must be between the MIN and MAX marks. For capacities and recommended fluid grade, see page 341. WARNING I ...