DualDisc: The audio side of a  DualDisc (combined CD/DVD) does not meet  CD specifications and  may not play in
your audio system.
 Do not put tape or labels on the disc itself.
 Volvo does not recommend the use of plastic outer rings on the disc.
 Condensation may occur on discs/optical components of the changer in cold winter weather. The disc can be  dried
with a  clean, lint-free cloth. Optical  components in the CD changer may, however,  take up to one  hour to dry off.
 Never  attempt to play a  disc which  is damaged in any  way.
 When not in use, the discs should be  stored  in their covers. Avoid storing discs in excessive heat, direct sunlight or
dusty locations.
1. T5 and R- models:  six  speakers
pg. 213 Specifications
Audio system HU-650 - overview
1. On/off - press
   Volume - turn
2. Buttons for selecting stored  radio stations/discs in optional CD changer
3. Bass (press to release control and  turn to adjust)
4. Treble (press to release control and  turn to adjust)
5. Balance (left/right) - press to release control and  turn to adjust
6. Fader (front/rear)  - press to release control and  turn to adjust
7. Source/Menu
   Press to open  main menu
   Turn  to select FM,  AM, CD, CD changer (option)
8. Scan  function (automatically search for radio stations)
9. Exit (exit the menu)
10. Navigation  buttons  (seek/change radio station or CD track)
11. CD eject
12. CD slot
13. CD random play
14. FM  (select FM1,  FM2,  FM3)
15. AM (select AM1 or AM2)
16. CD player
17. AUTO - automatically  search for radio stations
18. Display
pg. 214 Specifications
Audio system HU-850 - overview
ProCarManuals.com