See also:

Dolby Pro Logic
Dolby Surround Pro Logic II® distributes stereo sound's two channels to the left/right and front/ rear speakers. Dolby Pro Logic II and the symbol are trademarks of Dolby Laboratories Lice ...

Operating the system
1 - Short press: switch the system ON. Press and hold: switch the system OFF. 2 - Infotainment system mode buttons (RADIO, MEDIA, or TEL). Press a button to access the desired mode and press the ...

Changing coolant
Normally, the coolant does not need to be changed. If the system must be drained, consult a trained and qualified Volvo service technician. Do not top off with water only. This reduces the rust- ...