fuel pressure HUMMER H2 2007 Owners Manual

Traction Off Light...................................... 212
Engine Coolant Temperature Gage............ 213
Transmission Temperature Gage............... 213
Malfunction Indicator Lamp........................ 215
Oil Pressure Gage..................................... 218
Security Light............................................ 219
Cruise Control Light.................................. 220
Highbeam On Light................................... 220
Tow/Haul Mode Light................................ 220
Fuel Gage................................................. 221
Low Fuel Warning Light............................ 221
Driver Information Center (DIC).................. 222
DIC Operation and Displays...................... 222
DIC Warnings and Messages.................... 226
DIC Vehicle Customization........................ 234Audio System(s)......................................... 241
Setting the Time........................................ 243
Radio with Cassette and CD..................... 243
Radio with Six-Disc CD............................. 256
XM Radio Messages................................. 269
Navigation/Radio System........................... 271
Rear Seat Entertainment System............... 271
Rear Seat Audio (RSA)............................. 294
Theft-Deterrent Feature............................. 295
Audio Steering Wheel Controls.................. 296
Radio Reception........................................ 297
Care of the Cassette Tape Player............. 297
Care of Your CDs and DVDs.................... 299
Care of the CD and DVD Player............... 300
Fixed Mast Antenna.................................. 300
XM™ Satellite Radio Antenna System....... 300
Chime Level Adjustment............................ 300
Section 3 Instrument Panel
172

Once you are moving on the freeway, make
certain you allow a reasonable following distance.
Expect to move slightly slower at night.
When you want to leave the freeway, move to the
proper lane well in advance. If you miss your
exit, do not, under any circumstances, stop and
back up. Drive on to the next exit.
The exit ramp can be curved, sometimes quite
sharply. The exit speed is usually posted.
Reduce your speed according to your
speedometer, not to your sense of motion. After
driving for any distance at higher speeds, you may
tend to think you are going slower than you
actually are.
Before Leaving on a Long Trip
Make sure you are ready. Try to be well rested.
If you must start when you are not fresh — such as
after a day’s work — do not plan to make too many
miles that rst part of the journey. Wear comfortable
clothing and shoes you can easily drive in.
Is your vehicle ready for a long trip? If you keep it
serviced and maintained, it is ready to go. If it
needs service, have it done before starting out.Of course, you will nd experienced and able
service experts in GM dealerships all across
North America. They will be ready and willing to
help if you need it.
Here are some things you can check before a trip:
Windshield Washer Fluid:Is the reservoir
full? Are all windows clean inside and outside?
Wiper Blades:Are they in good shape?
Fuel, Engine Oil, Other Fluids:Have you
checked all levels?
Lamps:Are they all working? Are the lenses
clean?
Tires:They are vitally important to a safe,
trouble-free trip. Is the tread good enough
for long-distance driving? Are the tires
all inated to the recommended pressure?
Weather Forecasts:What is the weather
outlook along your route? Should you
delay your trip a short time to avoid a major
storm system?
Maps:Do you have up-to-date maps?
349

Service........................................................ 392
Accessories and Modications................... 392
California Proposition 65 Warning.............. 393
Doing Your Own Service Work.................. 393
Adding Equipment to the Outside of
Your Vehicle.......................................... 394
Fuel............................................................. 394
Gasoline Octane........................................ 394
Gasoline Specications.............................. 394
California Fuel........................................... 395
Additives................................................... 395
Fuels in Foreign Countries........................ 396
Filling the Tank......................................... 397
Filling a Portable Fuel Container............... 399
Checking Things Under the Hood.............. 400
Hood Release........................................... 400
Engine Compartment Overview.................. 402
Engine Oil................................................. 404
Engine Oil Life System.............................. 407
Engine Air Cleaner/Filter............................ 409
Automatic Transmission Fluid.................... 412
Engine Coolant.......................................... 415Coolant Surge Tank Pressure Cap............ 418
Engine Overheating................................... 418
Overheated Engine Protection
Operating Mode..................................... 420
Cooling System......................................... 420
Power Steering Fluid ................................. 425
Windshield Washer Fluid........................... 426
Brakes...................................................... 427
Battery...................................................... 431
Jump Starting............................................ 432
Rear Axle.................................................... 437
Four-Wheel Drive........................................ 438
Front Axle................................................... 440
Bulb Replacement....................................... 441
Halogen Bulbs........................................... 441
Headlamps................................................ 441
Front Turn Signal and Parking Lamps.......... 442
Daytime Running Lamps (DRL)................. 443
Roof Marker Lamps................................... 443
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps...................................... 444
Replacement Bulbs................................... 446
Section 5 Service and Appearance Care
389

Tire Terminology and Denitions
Air Pressure:The amount of air inside the tire
pressing outward on each square inch of the
tire. Air pressure is expressed in pounds
per square inch (psi) or kilopascal (kPa).
Accessory Weight:This means the combined
weight of optional accessories. Some examples
of optional accessories are, automatic
transmission/transaxle, power steering, power
brakes, power windows, power seats, and
air conditioning.
Aspect Ratio:The relationship of a tire’s height
to its width.
Belt:A rubber coated layer of cords that is located
between the plies and the tread. Cords may be
made from steel or other reinforcing materials.
Bead:The tire bead contains steel wires wrapped
by steel cords that hold the tire onto the rim.
Bias Ply Tire:A pneumatic tire in which the plies
are laid at alternate angles less than 90 degrees
to the centerline of the tread.Cold Tire Pressure:The amount of air pressure
in a tire, measured in pounds per square inch
(psi) or kilopascals (kPa) before a tire has built up
heat from driving. SeeInation - Tire Pressure
on page 456.
Curb Weight:This means the weight of a motor
vehicle with standard and optional equipment
including the maximum capacity of fuel, oil, and
coolant, but without passengers and cargo.
DOT Markings:A code molded into the sidewall
of a tire signifying that the tire is in compliance
with the U.S. Department of Transportation (DOT)
motor vehicle safety standards. The DOT code
includes the Tire Identication Number (TIN),
an alphanumeric designator which can also identify
the tire manufacturer, production plant, brand,
and date of production.
GVWR:Gross Vehicle Weight Rating.
SeeLoading Your Vehicle on page 362.
GAWR FRT:Gross Axle Weight Rating for the
front axle. SeeLoading Your Vehicle on page 362.
GAWR RR:Gross Axle Weight Rating for the
rear axle. SeeLoading Your Vehicle on page 362.
453

Ination - Tire Pressure
Tires need the correct amount of air pressure to
operate effectively.
Notice:Do not let anyone tell you that
under-ination or over-ination is all right.
It is not. If your tires do not have enough air
(under-ination), you can get the following:
Too much exing
Too much heat
Tire overloading
Premature or irregular wear
Poor handling
Reduced fuel economy
If your tires have too much air (over-ination),
you can get the following:
Unusual wear
Poor handling
Rough ride
Needless damage from road hazardsA Tire and Loading Information label is attached to
the vehicle’s center pillar (B-pillar), below the
driver’s door latch. This label shows your vehicle’s
original equipment tires and the correct ination
pressures for your tires when they are cold.
The recommended cold tire ination pressure,
shown on the label, is the minimum amount of
air pressure needed to support your vehicle’s
maximum load carrying capacity.
For additional information regarding how much
weight your vehicle can carry, and an example of
the tire and loading information label, seeLoading
Your Vehicle on page 362. How you load your
vehicle affects vehicle handling and ride comfort,
never load your vehicle with more weight than
it was designed to carry.
When to Check
Check your tires once a month or more.
Also, check the tire pressure of the spare tire.
456

At Each Fuel Fill
It is important to perform these underhood checks
at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper
oil if necessary. SeeEngine Oil on page 404for
further details.
Notice:It is important to check your oil
regularly and keep it at the proper level.
Failure to keep your engine oil at the proper
level can cause damage to your engine
not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. See
Engine Coolant on page 415for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in the
windshield washer uid reservoir and add the
proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make
sure they are inated to the correct pressures.
Do not forget to check the spare tire. See
Ination - Tire Pressure on page 456. Check to
make sure the spare tire is stored securely.
SeeChanging a Flat Tire on page 468.
Tire Wear Inspection
Tire rotation may be required for high mileage
highway drivers prior to the Engine Oil Life System
service notication. Check the tires for wear
and, if necessary, rotate the tires. SeeTire
Inspection and Rotation on page 457.
524

Fuel (cont.)
Filling Your Tank...................................... 397
Fuels in Foreign Countries....................... 396
Gage....................................................... 221
Gasoline Octane...................................... 394
Gasoline Specications............................ 394
Low Warning Light................................... 221
Fuses
Center Instrument Panel Fuse Block........ 506
Fuses and Circuit Breakers...................... 504
Instrument Panel Fuse Block................... 504
Underhood Fuse Block............................. 507
Windshield Wiper..................................... 503
G
Gage
Engine Coolant Temperature.................... 213
Fuel......................................................... 221
Oil Pressure............................................. 218
Speedometer........................................... 206
Tachometer.............................................. 206
Transmission Temperature........................ 213
Voltmeter Gage........................................ 210Garage Door Opener..........................148, 149
Gasoline
Octane..................................................... 394
Specications........................................... 394
Glove Box................................................... 160
GM Mobility Reimbursement Program.......... 541
H
Hazard Warning Flashers............................ 176
Head Restraints............................................ 14
Headlamps.................................................. 441
Automatic Headlamp System.................... 189
Bulb Replacement.................................... 441
Daytime Running Lamps.................188, 443
Flash-to-Pass........................................... 180
Front Turn Signal and Parking Lamps......... 442
Halogen Bulbs......................................... 441
High/Low Beam Changer......................... 179
On Reminder........................................... 188
Roof Marker Lamps................................. 443
Heated Seats................................................ 10
Heater......................................................... 197
Highbeam On Light..................................... 220
561