2007 PONTIAC G6 octane

Did you just drive through a deep puddle of
water?
If so, your electrical system may be wet. The
condition will usually be corrected when the
electrical system dries out. A few driving trips
should turn the light off.
Have you recently changed brands of fuel?
If so, be sure to fuel your vehicle with quality fuel.
SeeGasoline Octane on page 310. Poor fuel
quality will cause your engine not to run as
efficiently as designed. You may notice this as
stalling after start-up, stalling when you put
the vehicle into gear, misring, hesitation on
acceleration, or stumbling on acceleration. (These
conditions may go away once the engine is
warmed up.) This will be detected by the system
and cause the light to turn on.
If you experience one or more of these conditions,
change the fuel brand you use. It will require at
least one full tank of the proper fuel to turn the
light off.
If none of the above steps have made the light
turn off, your dealer can check the vehicle.
Your dealer has the proper test equipment and
diagnostic tools to x any mechanical or electrical
problems that may have developed.Emissions Inspection and
Maintenance Programs
Some state/provincial and local governments have
or may begin programs to inspect the emission
control equipment on your vehicle. Failure to pass
this inspection could prevent you from getting a
vehicle registration.
Here are some things you need to know to help
your vehicle pass an inspection:
Your vehicle will not pass this inspection if the
check engine light is on or not working properly.
Your vehicle will not pass this inspection if
the OBD (on-board diagnostic) system determines
that critical emission control systems have not
been completely diagnosed by the system.
The vehicle would be considered not ready for
inspection. This can happen if you have recently
replaced your battery or if your battery has
run down. The diagnostic system is designed to
evaluate critical emission control systems
during normal driving. This may take several days
of routine driving. If you have done this and
your vehicle still does not pass the inspection for
lack of OBD system readiness, your dealer
can prepare the vehicle for inspection.
206

Service........................................................ 308
Accessories and Modications................... 308
California Proposition 65 Warning.............. 309
Doing Your Own Service Work.................. 309
Adding Equipment to the Outside of
Your Vehicle.......................................... 310
Fuel............................................................. 310
Gasoline Octane........................................ 310
Gasoline Specications.............................. 310
California Fuel........................................... 311
Additives................................................... 311
Fuels in Foreign Countries........................ 312
Filling the Tank......................................... 313
Filling a Portable Fuel Container............... 315
Checking Things Under
the Hood.................................................. 316
Hood Release........................................... 317
Engine Compartment Overview.................. 318
Engine Oil................................................. 325
Engine Oil Life System.............................. 328
Engine Air Cleaner/Filter............................ 330
Automatic Transaxle Fluid
(2.4L L4 and 3.5L V6 Engines).............. 332Automatic Transaxle Fluid
(3.6L Engine)......................................... 332
Automatic Transaxle Fluid
(3.9L V6 Engine).................................... 335
Manual Transaxle Fluid............................. 338
Hydraulic Clutch........................................ 338
Engine Coolant.......................................... 339
Pressure Cap............................................ 342
Engine Overheating................................... 342
Overheated Engine Protection
Operating Mode..................................... 344
Cooling System......................................... 345
Power Steering Fluid ................................. 349
Windshield Washer Fluid........................... 350
Brakes...................................................... 352
Battery...................................................... 355
Jump Starting............................................ 356
Bulb Replacement....................................... 361
Halogen Bulbs........................................... 361
Headlamps, Front Turn Signal,
Sidemarker, and Parking Lamps............. 362
Center High-Mounted
Stoplamp (CHMSL) (Sedan)................... 363
Section 5 Service and Appearance Care
305

Your vehicle has an airbag system. Before
attempting to do your own service work, see
Servicing Your Airbag-Equipped Vehicle on
page 92.
You should keep a record with all parts receipts
and list the mileage and the date of any service
work you perform. SeeMaintenance Record
on page 446.
Adding Equipment to the Outside of
Your Vehicle
Things you might add to the outside of your
vehicle can affect the airow around it. This may
cause wind noise and affect windshield washer
performance. Check with your dealer before
adding equipment to the outside of your vehicle.
Fuel
Use of the recommended fuel is an important part
of the proper maintenance of your vehicle. To
help keep your engine clean and maintain optimum
vehicle performance, GM recommends the use
of gasoline advertised as TOP TIER Detergent
Gasoline.
Gasoline Octane
Use regular unleaded gasoline with a posted
octane rating of 87 or higher. If the octane rating is
less than 87, you may notice an audible knocking
noise when you drive, commonly referred to as
spark knock. If this occurs, use a gasoline rated at
87 octane or higher as soon as possible. If you are
using gasoline rated at 87 octane or higher and you
hear heavy knocking, your engine needs service.
Gasoline Specications
At a minimum, gasoline should meet ASTM
specication D 4814 in the United States or
CAN/CGSB-3.5 in Canada. Some gasolines may
contain an octane-enhancing additive called
methylcyclopentadienyl manganese
tricarbonyl (MMT). General Motors recommends
against the use of gasolines containing MMT. See
Additives on page 311for additional information.
310

However, E85 (85% ethanol) and other fuels
containing more than 10% ethanol must not be
used in vehicles that were not designed for
those fuels.
Notice:Your vehicle was not designed for
fuel that contains methanol. Do not use
fuel containing methanol. It can corrode metal
parts in your fuel system and also damage
the plastic and rubber parts. That damage
would not be covered under your warranty.
Some gasolines that are not reformulated for low
emissions may contain an octane-enhancing
additive called methylcyclopentadienyl manganese
tricarbonyl (MMT); ask the attendant where you buy
gasoline whether the fuel contains MMT. General
Motors recommends against the use of such
gasolines. Fuels containing MMT can reduce the
life of spark plugs and the performance of the
emission control system may be affected. The
malfunction indicator lamp may turn on. If this
occurs, return to your authorized GM dealer for
service.Fuels in Foreign Countries
If you plan on driving in another country outside
the United States or Canada, the proper fuel may
be hard to nd. Never use leaded gasoline or
any other fuel not recommended in the previous
text on fuel. Costly repairs caused by use of
improper fuel would not be covered by your
warranty.
To check the fuel availability, ask an auto club, or
contact a major oil company that does business
in the country where you will be driving.
312

Using the Maintenance Schedule
We at General Motors want to help you keep your
vehicle in good working condition. But we do not
know exactly how you will drive it. You may drive
very short distances only a few times a week. Or
you may drive long distances all the time in very
hot, dusty weather. You may use your vehicle in
making deliveries. Or you may drive it to work, to
do errands, or in many other ways.Because of all the different ways people use their
vehicles, maintenance needs vary. You may need
more frequent checks and replacements. So please
read the following and note how you drive. If you
have any questions on how to keep your vehicle in
good condition, see your GM Goodwrench
®dealer.
This schedule is for vehicles that:
carry passengers and cargo within
recommended limits. You will nd these limits
on the Tire and Loading Information label. See
Loading Your Vehicle on page 288.
are driven on reasonable road surfaces within
legal driving limits.
use the recommended fuel. SeeGasoline
Octane on page 310.
429

Engine (cont.)
Overheated Protection Operating Mode...... 344
Overheating............................................. 342
Starting.................................................... 125
Enhanced Traction System (ETS)................ 263
Active Light.............................................. 202
Warning Light........................................... 202
Entry/Exit Lighting....................................... 179
Event Data Recorders (EDR)...................... 461
Extender, Safety Belt..................................... 45
F
Filter
Engine Air Cleaner................................... 330
Finish Damage............................................ 411
Fixed Mast Antenna.................................... 250
Flashers, Hazard Warning........................... 166
Flash-to-Pass.............................................. 169
Flat Tire...................................................... 390
Flat Tire, Changing...................................... 390
Flat Tire, Storing......................................... 400Fluid
Automatic Transaxle........................332, 335
Manual Transaxle..................................... 338
Power Steering........................................ 349
Windshield Washer.................................. 350
Fog Lamps.................................................. 178
Fuel............................................................ 310
Additives.................................................. 311
California Fuel.......................................... 311
Filling a Portable Fuel Container.............. 315
Filling Your Tank...................................... 313
Fuels in Foreign Countries....................... 312
Gage....................................................... 208
Gasoline Octane...................................... 310
Gasoline Specications............................ 310
Low Warning Light................................... 208
Fuses.......................................................... 415
Engine Compartment Fuse Block............. 418
Instrument Panel Fuse Block................... 416
Rear Compartment Fuse Block................ 421
Windshield Wiper..................................... 415
476

G
Gage
Engine Coolant Temperature.................... 203
Fuel......................................................... 208
Speedometer........................................... 194
Tachometer.............................................. 194
Gasoline
Octane..................................................... 310
Specications........................................... 310
Glove Box................................................... 150
GM Mobility Reimbursement Program.......... 455
H
Hazard Warning Flashers............................ 166
Head Restraints............................................ 15
Headlamps.................................................. 174
Automatic Headlamp System.................... 177
Bulb Replacement.................................... 361
Daytime Running Lamps.......................... 176
Delayed................................................... 176
Flash-to-Pass........................................... 169
Halogen Bulbs......................................... 361Headlamps (cont.)
Headlamps, Front Turn Signal,
Sidemarker, and Parking Lamps........... 362
High/Low Beam Changer......................... 169
On Reminder........................................... 175
Headlamps Off in Park (P).......................... 175
Heated Seats................................................ 11
Heater................................................182, 187
Highbeam On Light..................................... 208
High-Speed Operation, Tires........................ 381
Highway Hypnosis....................................... 280
Hill and Mountain Roads............................. 280
Hood
Checking Things Under............................ 316
Release................................................... 317
Horn............................................................ 167
How to Use This Manual ................................ 4
How to Wear Safety Belts Properly............... 27
Hydraulic Clutch.......................................... 338
I
Ignition Positions......................................... 122
Infants and Young Children, Restraints .......... 49
Ination - Tire Pressure............................... 379
477