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 ...

FAV—storing a shortcut
The FAV button can be used to store frequently used functions, making it possible to start the stored function by simply pressing FAV. One favorite (for example, Equalizer) can be programmed for ...

Severe strain on the brake system
The brakes will be subject to severe strain when driving in mountains or hilly areas, or when towing a trailer. Vehicle speed is usually slower, which means that the cooling of the brakes is less ...