2009 PONTIAC G6 heating

{CAUTION:
An electric engine cooling fan under the hood can
start up even when the engine is not running and
can cause injury. Keep hands, clothing, and tools
away from any underhood electric fan.
{CAUTION:
Heater and radiator hoses, and other engine parts,
can be very hot. Do not touch them. If you do, you
can be burned.
Do not run the engine if there is a leak. If you run
the engine, it could lose all coolant. That could
cause an engine re, and you could be burned.
Get any leak xed before you drive the vehicle.Notice:Using coolant other than DEX-COOL
®can
cause premature engine, heater core, or radiator
corrosion. In addition, the engine coolant could
require changing sooner, at 30,000 miles (50 000 km)
or 24 months, whichever occurs rst. Any repairs
would not be covered by the vehicle warranty.
Always use DEX-COOL
®(silicate-free) coolant in
the vehicle.
Engine Coolant
The cooling system in the vehicle is lled with
DEX-COOL®engine coolant. The coolant is designed
to remain in the vehicle for ve years or 150,000 miles
(240 000 km), whichever occurs rst.
The following explains the cooling system and how to
check and add coolant when it is low. If there is a
problem with engine overheating, seeEngine
Overheating on page 5-37.
5-33

4. With the coolant surge tank pressure cap off, start
the engine and let it run until you can feel the upper
radiator hose getting hot. Watch out for the engine
cooling fans.
By this time, the coolant level inside the coolant
surge tank might be lower. If the level is lower than
the FULL COLD mark, add more of the proper
mixture to the coolant surge tank until the level
reaches the FULL COLD mark.
5. Replace the pressure cap. Be sure the pressure
cap is hand-tight and fully seated.
Notice:If the pressure cap is not tightly installed,
coolant loss and possible engine damage may occur.
Be sure the cap is properly and tightly secured.
If coolant is needed, add the proper DEX-COOL
®
coolant mixture at the coolant recovery tank.
Pressure Cap
Notice:If the pressure cap is not tightly installed,
coolant loss and possible engine damage may occur.
Be sure the cap is properly and tightly secured.
SeeEngine Compartment Overview on page 5-14for
more information on location.
Engine Overheating
The vehicle has an indicator to warn of engine
overheating.
There is an engine coolant temperature gage on the
instrument panel cluster. SeeEngine Coolant
Temperature Gage on page 3-37.
You may decide not to lift the hood when this warning
appears, but instead get service help right away.
SeeRoadside Assistance Program on page 7-7.
If you do decide to lift the hood, make sure the vehicle
is parked on a level surface.
Then check to see if the engine cooling fans are
running. If the engine is overheating, both fans should
be running. If they are not, do not continue to run
the engine and have the vehicle serviced.
Notice:Engine damage from running the engine
without coolant is not covered by the warranty.
Notice:If the engine catches re while driving with
no coolant, the vehicle can be badly damaged. The
costly repairs would not be covered by the vehicle
warranty. SeeOverheated Engine Protection
Operating Mode on page 5-39for information on
driving to a safe place in an emergency.
5-37

Tires
Your new vehicle comes with high-quality tires
made by a leading tire manufacturer. If you ever
have questions about your tire warranty and where
to obtain service, see your vehicle Warranty booklet
for details. For additional information refer to the tire
manufacturer.
{CAUTION:
Poorly maintained and improperly used
tires are dangerous.
Overloading your tires can cause
overheating as a result of too much
exing. You could have an air-out and a
serious accident. SeeLoading the
Vehicle on page 4-20.
CAUTION: (Continued)
CAUTION: (Continued)

Underinated tires pose the same danger
as overloaded tires. The resulting accident
could cause serious injury. Check all tires
frequently to maintain the recommended
pressure. Tire pressure should be
checked when your tires are cold. See
Inflation - Tire Pressure on page 5-67.
Overinated tires are more likely to be
cut, punctured, or broken by a sudden
impact — such as when you hit a pothole.
Keep tires at the recommended pressure.
Worn, old tires can cause accidents.
If your tread is badly worn, or if your tires
have been damaged, replace them.
SeeHigh-Speed Operation on page 5-68for
ination pressure adjustment for high speed
driving.
5-59

Fuses Usage
HVAC BLOWERHeating Ventilation Air
Conditioning Blower Switch
HVAC BLOWER
HIGHHeating Ventilation Air
Conditioning Blower - High Speed
Relay
HVAC CTRL
(BATT)Heating Ventilation Air
Conditioning Control Diagnostic
Link Connector (Battery)
HVAC CTRL (IGN)Heating Ventilation Air
Conditioning Control (Ignition)
IGN SENSOR Ignition Switch
INTERIOR
LIGHTSInterior Lamps
NOT INSTALLED Not Used
NOT INSTALLED Not Used
NOT INSTALLED Not Used
NOT INSTALLED Not Used
ONSTAR OnStar
®
PEDAL Adjustable Pedals
POWER
MIRRORSPower Mirrors
POWER
WINDOWSPower Windows (Sedan)
RADIO Audio System
Fuses Usage
ROOF/HEAT
SEATSunroof, Heated Seat, Power
Windows (Coupe, Retractable
Hardtop), Automatic Dimming
Rearview Mirror, Compass
RUN/CRANKCruise Control Switch, Passenger
Airbag Status Indicator, DSC
Switch
SPARE FUSE
HOLDERSpare Fuse Holder
SPARE FUSE
HOLDERSpare Fuse Holder
SPARE FUSE
HOLDERSpare Fuse Holder
SPARE FUSE
HOLDERSpare Fuse Holder
STR/WHL ILLUMSteering Wheel Controls
Backlighting
WIPER SW Windshield Wiper/Washer Switch
Engine Compartment Fuse Block
The vehicle may not be equipped with all the fuses and
features listed.
The engine compartment fuse block is located on the
driver side of the engine compartment, near the battery.
Notice:Spilling liquid on any electrical components
on the vehicle may damage it. Always keep the
covers on any electrical component.
5-112

Fuses Usage
5 Mass Airow Sensor (LY7)
6 Emission
7 Left Headlamp Low Beam
8 Horn
9 Right Headlamp Low Beam
10 Front Fog Lamps
11 Left Headlamp High Beam
12 Right Headlamp High Beam
13Engine Control Module (Battery)
(LE5, LY7)
14 Windshield Wiper
15 Antilock Brake System (IGN 1)
16Engine Control Module (IGN 1)
(LE5, LY7)
17 Cooling Fan 1
18 Cooling Fan 2
19Run Relay, Heating, Ventilation, Air
Conditioning Blower
20 Body Control Module 1
21 Body Control Module Run/Crank
22 Rear Electrical Center 1
23 Rear Electrical Center 2
24 Antilock Brake System
25 Body Control Module 2Fuses Usage
26 Starter
41 Electric Power Steering
42Transmission Control Module
Battery
43Ignition Module (LE5, LZ4, LZE,
LZ9), Odd Cylinder Injectors/Ignition
Coils (LY7)
44Injectors (LE5, LZ4, LZE, LZ9),
Even Cylinder Injectors/Ignition
Coils (LY7)
45 Rear Oxygen Sensors
46 Daytime Running Lamps
47 Center High-Mounted Stoplamp
50Front Power Windows
Coupe/Retractable Hardtop
51Engine Control Module (Battery)
(LZ4, LZE, LZ9)
52 AIR Solenoid
54 Regulated Voltage Control
55 Antilock Brake System (Battery)
Relays Usage
28 Cooling Fan 1
29 Cooling Fan Series/Parallel
30 Cooling Fan 2
5-114

E
Easy Entry Seat.............................................1-10
EDR .............................................................7-16
Electrical System
Add-On Equipment.....................................5-109
Engine Compartment Fuse Block.................5-112
Fuses......................................................5-110
Instrument Panel Fuse Block.......................5-110
Power Windows and Other Power Options....5-110
Rear Compartment Fuse Block....................5-115
Windshield Wiper Fuses.............................5-109
Electronic Immobilizer
PASS-Key
®III+...........................................2-19
Electronic Immobilizer Operation
PASS-Key
®III+...........................................2-19
Engine
Air Cleaner/Filter.................................5-26, 5-27
Check and Service Engine Soon Lamp...........3-38
Coolant......................................................5-33
Coolant Heater............................................2-25
Coolant Temperature Gage...........................3-37
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-14
Exhaust.....................................................2-35
Oil .............................................................5-21Engine (cont.)
Oil Life System...........................................5-24
Overheated Protection Operating Mode...........5-39
Overheating................................................5-37
Starting......................................................2-23
Entry/Exit Lighting...........................................3-16
Event Data Recorders.....................................7-17
Extender, Safety Belt.......................................1-35
F
Filter
Engine Air Cleaner..............................5-26, 5-27
Finish Damage.............................................5-107
Fixed Mast Antenna........................................3-69
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-85
Flat Tire, Changing.........................................5-86
Flat Tire, Storing.............................................5-94
Fluid
Automatic Transmission................................5-29
Power Steering...........................................5-39
Windshield Washer......................................5-40
5