See also:

Using the infotainment system
If the infotainment system is on when the ignition is switched off, it will come on automatically the next time the ignition is put in mode I or higher and continue using the same source (FM1, ...

Cleaning the interior
Only use cleaning agents and car care products recommended by Volvo. Clean regularly and follow the instructions included with the car care product. ...

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 ...