Page 1 of 334

Seats and Restraints......... 1-1
Front Seats
.................... 1-2
Rear Seats
.................... 1-5
Safety Belts
................... 1-5
Airbag System
..............1-19
Child Restraints
.............1-32
Keys, Doors and
Windows............................ 2-1
Keys
............................. 2-2
Doors and Locks
............ 2-8
Theft-Deterrent
Systems
...................2-11
Windows
......................2-14
Mirrors
.........................2-16
Sunroof
........................2-18
Storage.............................. 3-1
Storage
......................... 3-1
Instruments and
Controls............................. 4-1
Instrument Panel
Overview
.................... 4-2
Warning Lights, Gages,
and Indicators
............4-10Driver Information
Center (DIC)
.............4-23
OnStar
®System
............4-36
Lighting............................. 5-1
Lighting
......................... 5-1
Infotainment...................... 6-1
Audio System(s)
............. 6-1
Climate Controls............... 7-1
Climate Controls
............. 7-1
Driving and Operating....... 8-1
Starting and Operating Your
Vehicle
....................... 8-2
Driving Your Vehicle
......8-13
Fuel
............................8-32
Vehicle Service
and Care............................ 9-1
Service
.......................... 9-2
Owner Checks
................ 9-5
Headlamp Aiming
..........9-27
Bulb Replacement
.........9-29Electrical System
...........9-32
Tires
...........................9-39
Tire Changing
...............9-62
Jump Starting
...............9-80
Towing
........................9-84
Appearance Care
..........9-91
Technical Data.................10-1
Vehicle Identi cation
. . . . . . 10-1
Capacities and
Speci cations
............10-2
Service and
Maintenance.....................11-1
Service and
Maintenance
..............11-1
Customer Information. . . . . . 12-1
Customer Information
. . . . . 12-1
Reporting Safety
Defects
...................12-14
Vehicle Data Recording
and Privacy
.............12-16
Index................................... i-1
2008 Pontiac G8 Owner ManualM
2008 - Pontiac G8 Owner Manual
Page 77 of 334

The main components of the
instrument panel are the following:
A.Turn Signal/Multifunction
Lever on page 4-4 .
B. Audio Steering Wheel Controls
on page 6-23 andDIC Operation
and Displays on page 4-23 .
C. Instrument Panel Cluster on
page 4-11 .
D. Audio Steering Wheel Controls
on page 6-23 .
E. Windshield Wipers on page 4-8 .
F. Hazard Warning Flashers on
page 4-4 .
G. Voltmeter, Oil Gage. Voltmeter
Gage on page 4-15 .
H. Outlet Adjustment on page 7-8 .I.
Exterior Lamps Controls on
page 5-1 .Instrument Panel
Brightness on page 5-3 .Fog
Lamps on page 5-3 (If Equipped).
J. Hood Release on page 9-5.
K. Tilt Wheel on page 4-4 .
L. Horn on page 4-4.
M. Ignition Positions on page 8-2 .
N. Climate Control System on
page 7-1 .Automatic Climate
Control System on page 7-4
(If Equipped).
O. Shift Lever. Automatic
Transmission Operation on
page 8-6 . P.
Power Door Locks on page 2-9 .
Q. Outside Power Mirror(s) on
page 2-17 .
R. Power Windows on page 2-15 .
S. Traction Control System (TCS) Disable Button. Electronic
Stability Program on page 8-16 .
T. Heated Seats on page 1-5
(If Equipped).
U. Accessory Power Outlet(s) on
page 4-9 .
V. Audio System(s) on page 6-1 .
W. Glove Box on page 3-1 .
Instruments and Controls 4-3
2008 - Pontiac G8 Owner Manual
Page 88 of 334

Passenger Airbag Status
Indicator
The vehicle has a passenger
sensing system. The rearview mirror
has a passenger airbag status
indicator.When the vehicle is started, the
passenger airbag status indicator
will light ON and OFF, or the symbol
for on and off, for several seconds
as a system check. If you are
using remote start to start your
vehicle from a distance, if equipped,
you may not see the system
check. Then, after several more
seconds, the status indicator
will light either ON or OFF, or either
the on or off symbol to let you
know the status of the right front
passenger frontal airbag.
If the word ON or the on symbol is
lit on the passenger airbag status
indicator, it means that the right front
passenger frontal airbag is enabled
(may in ate).
{CAUTION
If the on indicator comes on
when you have a rear-facing
child restraint installed in the
right front passenger’s seat, it
means that the passenger
sensing system has not turned
off the passenger’s frontal
airbag. A child in a rear-facing
child restraint can be seriously
injured or killed if the right
front passenger’s airbag
in ates. This is because the
back of the rear-facing child
restraint would be very close to
the in ating airbag. Do not use
a rear-facing child restraint in
the right front passenger’s seat
if the airbag is turned on. United States
Canada
4-14 Instruments and Controls
2008 - Pontiac G8 Owner Manual
Page 98 of 334

Speedometer
Press
3until the speedometer is
displayed.
The speedometer shows how fast
the vehicle is moving in either miles
per hour (MPH) or kilometers per
hour (km/h). To switch between
English and metric measurements,
see “UNITS” later in this section.
The digital speedometer display can
be enabled or disabled. See
“Digital Speedometer” underDIC
Vehicle Customization on page 4-32
for more information.
UNITS
Move the thumbwheel up
Qor down
Rto highlight English or Metric
when the UNITS display is active.
Press
8to con rm the setting. This
will change the displays on the
cluster, DIC, and the temperature
display in the mirror to either English
or metric measurements.Tire Pressure
Press
3until Tire Pressure is
displayed.
The display will show a vehicle and
the approximate pressures of all
four tires. Tire pressure is displayed
in either pounds per square
inch (PSI) or in kilopascal (kPa).
This display can be customized. See
DIC Vehicle Customization on
page 4-32for more information.
Customize Options
SeeDIC Vehicle Customization on
page 4-32for more information.
Odometer/Trip Odometer
Press
3until the Odometer/Trip
Odometer is displayed.
The odometer display shows the
distance the vehicle has been driven
in either miles (MI) or kilometers
(km). To switch between English
and metric measurements, see
“UNITS” earlier in this section.The Trip Odometer display shows
the current distance traveled
since the last reset for the trip
odometer. The trip odometer can be
reset to zero by pressing and
holding
8while the trip odometer
value is highlighted. If
8is only
pressed brie y, the Avg Speed/Avg
Fuel will be reset as well.
Distance/Time To Go
Press
3until To Go is displayed.
If this item doesn’t display, check
that the display is turned on through
the Customize Options menu.
SeeDIC Vehicle Customization on
page 4-32for more information.
At the start of a trip, estimate
the distance to arrival (for example,
from maps, road signs). Move
the thumbwheel up or down until the
display shows the estimated trip
4-24 Instruments and Controls
2008 - Pontiac G8 Owner Manual
Page 219 of 334
Fuses Usage
F15Outside Rearview
Mirrors
F16Sunroof/Automatic
Transmission
Shift Lock
F17 Sunroof
F18Automatic Occupant
Sensor
F19Driver Side
Heated Seat
F20Passenger Side
Heated Seat
F21Daytime Running
Lamps
F22Front Cigarette
Lighter
F23Steering Wheel
Controls
Backlighting
F24 Power Window
FUSE
PULLERFuse PullerCircuit
BreakersUsage
B1 Spare
B2 Power Windows
B3 Power Seats
B4 Spare
Relays Usage
R1Retain Accessory
Power 1
R2 Door Locks
R3Passenger Side
Door Lock
R4 Spare
R5 Trunk Release
R6 Driver Side Lock
R7Retain Accessory
Power 2
R8 Accessory
R9 Blower
R10 Spare
R11Daytime Running
Lamps
R12 Fuel Pump
Engine Compartment
Fuse Block
To open the fuse block cover,
remove the clip on cover.
Notice:Spilling liquid on any
electrical components on
your vehicle may damage it.
Always keep the covers on any
electrical component.
Vehicle Service and Care 9-35
2008 - Pontiac G8 Owner Manual