2010 VOLVO XC90 key battery

09 Maintenance and servicing
Battery 09
216
5. Disconnect the positive cable and pull the
ventilation hose from the battery.
6. Lift out the old battery and put a new bat-
tery into place.
7. Connect the positive cable first.
8. Connect the negative (ground) cable.
9. Be sure that the ventilation hose (see right
column) is securely connected to the bat-
tery and that the other end of the hose is
properly routed through the ventilation
opening in the floor of the battery compart-
ment.
G030884
Ventilation hose
10. Reinstall the cover and retaining bracket
and screw it securely in place.
NOTE
After the battery has been disconnected or
replaced, lock and unlock the vehicle with
the central locking system's remote key to
reactivate such features as the power win-
dows, moonroof, courtesy lighting, etc.
WARNING
•The battery generates hydrogen gas,
which is flammable and explosive. The
battery is fitted with a ventilation hose
which vents hydrogen gas out of the
battery compartment through a ventila-
tion opening in the bottom of this com-
partment. If the battery must be
replaced, it is essential that the ventila-
tion hose is properly connected to the
battery and that it is routed through the
ventilation opening provided (see illus-
tration).
•Be sure the ventilation hose is free of
debris.
•Only use replacement batteries equip-
ped with a ventilation hose. Consult a
trained and qualified Volvo service tech-
nician.

10 Audio
Rear Seat Entertainment – Dual Screen (RSE)*
10

* Option/accessory, for more information, see Introduction.259 Introduction
The RSE system can be used at the same time
as the vehicle’s audio system.
When the rear seat passengers play a DVD,
connect an external device to the RSE AUX
connectors, etc., and listen to the audio
through the cordless headphones, the driver
and front seat passenger can still use the vehi-
cle's audio system to listen to the radio, a CD,
music stored on an MP3 player, etc.
Please also refer to the Quick Guide provided
with the RSE system for additional information.
Electrical current - ignition keyThe RSE system can be activated with the igni-
tion in position I or II (see page 137 for infor-
mation on the ignition positions), or when the
engine is running. While the engine is being
started, a film or music that is currently being
played will pause momentarily and resume
playing when the engine has started.
When the RSE system has been used once
when the ignition is switched off, it will be then
be blocked for further use. RSE can be restar-
ted by turning the ignition key to position I.
NOTE
Using RSE for more than approximately
10 minutes with the engine switched off may
drain the vehicle’s battery and make it diffi-
cult or impossible to start the engine.
If this occurs, a message will be displayed
on the RSE system’s screens.
Music
Listening to a music CD1. Insert a CD into the RSE player’s slot with
the disc’s label facing upward.
> The CD will begin to play automatically.
2. Switch on the cordless headphones and
select CH A for the left screen or CH B for
the right screen.
> This will direct the sound to the head-
phones.
3. Adjust the headphone volume by using the
thumb wheel on the headphones.
To listen through the vehicle’s audio sys-
tem speakers, press MODE on the audio
system control panel and select
AUX.
Press
on the RSE remote to route the
sound through the speakers.
Selecting a folder on the CD1. Insert the CD in the player.2.
Press
.
3. Use the navigation buttons (the arrow keys
surrounding the OK button on the RSE
remote control) to highlight a folder and/or
a specific track.
4.
Press
to select a sub-folder.
Playback alternativesThe CD can be played in several different ways.
Use the navigation buttons to select one of the
alternatives.
With the dialogue box displayed:
1. Press the right navigation button to access
the menu to the right..
2. Use the navigation keys to select one of the
alternatives.
3.
Confirm your choice by pressing
.
Changing tracks on the CD
Change tracks on the CD by pressing
or . Hold the respective buttons
down for fast forward or reverse.
Pause1. Pause and restart the CD by pressing
.
2.
Stop the CD by pressing
.
3.
Press
again to eject the CD.

12 Index
12
280
1, 2, 3 ...
12-volt sockets.......................................... 75
A
A/C (air conditioning)...........................94, 95
ABS.......................................................... 145
Airbag system............................................ 20
Air cleaner................................................ 207
Air conditioning.......................................... 90
Air distribution...................................... 92, 95
Air quality sensor....................................... 94
Air vents..................................................... 92
Alarm........................................................ 127
All Wheel Drive......................................... 144
All Wheel Drive – towing.......................... 152
Anti-lock brake system
warning light......................................... 56
Anti-lock Brake System (ABS)................. 145
Ashtray..................................................... 110
Audio
system introduction............................ 238Audio system
HD digital radio................................... 246
Rear seat entertainment..................... 259
AUTO (climate control)......................... 95, 96
Automatic transmission........................... 140
Autostart..........................................135, 137
AUX (audio system).................................253
Average speed........................................... 71
AWD......................................................... 144
B
Bass......................................................... 241
Battery..................................................... 205
maintenance....................................... 214
specifications...................................... 275
Battery – replacing................................... 215
Belt check................................................ 206
Black box................................................... 11
Black Box (Vehicle Event Data)............... 202
Blind Spot Information System (BLIS)..... 160
Blower (fan)................................................ 96Booster cushion
accessory............................................. 42
integrated.............................................. 47
Brake fluid................................................ 212
Brake system........................................... 145
Bulbs........................................................ 217
Bulbs, replacing....................................... 217
C
Capacities, fluids..................................... 270
Capacity weight....................................... 176
Cargo area cover..................................... 117
Cargo grid................................................ 116
Cargo net................................................. 114
Catalytic converter, three-way................. 277
CD Pause................................................. 255
Center console buttons............................. 60
Central locking system - remote key....... 121
Changing a wheel.................................... 182
Changing coolant....................................206
Charge air cooler..................................... 274
Check Engine warning light....................... 57

12 Index
12
283
L
Label information..................................... 264
Lighting panel............................................ 63
Load carriers............................................ 157
Locking steering wheel............................ 137
Locking the car........................................ 124
Locks, child safety................................... 126
Long distance trips.................................. 158
Low beam headlight.................................. 66
M
Maintenance............................................ 202
Maintenance, periodic............................. 203
Malfunction indicator light......................... 57
Mirrors
door, folding......................................... 60
power door........................................... 81
rearview, auto-dim function.................. 80
Moonroof................................................... 83
MP3 player, connecting........................... 253
Multifilter with air quality sensor................ 94
O
OBD II...................................................... 203
Occupant safety........................................ 16
Oil quality................................................. 208
Onboard Diagnostic System (OBD II)...... 203
On Call Roadside Assistance.................. 278
Owner maintenance................................. 203
P
Paint - color code....................................198
Panel lighting, instrument.......................... 64
Park assist.......................................149, 150
Parking brake............................................. 76
warning symbol.................................... 56
Parking lights............................................. 63
Passenger’s side front airbag, disabling. . . 25
Periodic owner-performed maintenance. 203
Permissible axle weight........................... 176
Polishing.................................................. 195
Power moonroof........................................ 83
Power seat............................................... 100Power steering fluid................................. 212
R
Radiator................................................... 207
Radio functions........................................ 241
HD digital radio................................... 246
Rain sensor - windshield wipers................ 68
Rear seat entertainment..........................259
Rear suspension...................................... 272
Rearview mirror with compass.................. 80
Rear window defroster.............................. 70
Recalls, child restraints.............................. 46
Recirculation.............................................. 95
REDUCE SPEED........................................ 58
Refrigerant (A/C system)............................ 90
Refrigerator (XC90 Executive).................. 113
Registering child restraints........................ 46
Remote key.............................................. 121
replacing the battery........................... 123
Reporting safety defects
Canada................................................. 17
USA....................................................... 16