See also:

External audio source volume
If an external devices such as an MP3 player or an iPod is connected to the AUX socket, the device's volume may be different from the volume of the internal sound sources such as the disc play ...

Headlights
1. Turn the ignition key to position II. 2. The low beam headlights (daytime running lights) illuminate automatically, except when the light switch (1) is in position For information on switchin ...

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 technician. ...