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 ...

Tire sealing system–overview
1 Speed limit sticker 2 On/Off switch 3 Electrical wire 4 Bottle holder (orange cover) 5 Protective hose cover 6 Air release knob 7 Hose 8 Bottle with sealing compound 9 Air pressure gauge ...

Temporary shut-off of the air conditioning
The air conditioning is momentarily disengaged during full-throttle acceleration or when driving uphill with a trailer. This may result in a temporary increase in cabin temperature. ...