ECU HUMMER H2 2008 Repair Manual

5. Try to move the tire back and forth slightly to make
sure it is secure.
6. Slide the license plate holder onto the spare or at
tire. Secure it from the back of the tire carrier with
the wing nut.
If you choose not to reinstall the spare or at tire on
the vehicle, you still need to reinstall the license
plate holder on the spare tire carrier.
5-97

Storing the Jack and Tools
To store the jack and tools:
1. Lower the jack completely.
2. Place the jack in the mounting bracket.
3. Turn the hole at the top of the jack clockwise until
the jack is held tight in the mounting bracket.
4. Push and pull on the jack and retighten if necessary
to make sure the jack is secure.
5. Place the wheel blocks in the tool bag.
6. Place the remaining tools in the tool bag.7. Replace the trim cover. Make sure the latches are
pushed down.
5-98

8. Place the narrow end of the tool bag under the
seat rails as shown and slide the tool bag under
the rear seat.
Be careful not to pinch the seat cables or electrical
harnesses.
9. Reinstall the strap to the seat rail for the tool bag.
Wrap the strap around the seat rail and then
secure it to the tool bag.
10. Return the seat to the correct position. SeeSplit
Folding Rear Seat on page 1-8for more information.
Spare Tire
Your vehicle, when new, had a fully-inated spare tire.
A spare tire may lose air over time, so check its
ination pressure regularly. SeeInflation - Tire Pressure
on page 5-61andLoading Your Vehicle on page 4-44
for information regarding proper tire ination and loading
your vehicle. For instruction on how to remove, install
or store a spare tire, seeRemoving the Flat Tire
and Installing the Spare Tire on page 5-88andStoring
a Flat or Spare Tire and Tools (SUT) on page 5-94
orStoring a Flat or Spare Tire and Tools (SUV)
on page 5-96.
After installing the spare tire on your vehicle, you should
stop as soon as possible and make sure the spare is
correctly inated. The spare tire is made to perform well
at speeds up to 70 mph (112 km/h) at the recommended
ination pressure, so you can nish your trip.
Have the damaged or at road tire repaired or replaced
as soon as you can and installed back onto your
vehicle. This way, a spare tire will be available in case
you need it again. Do not mix tires and wheels of
different sizes, because they will not t. Keep your spare
tire and its wheel together.
5-99

At Each Fuel Fill
It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Notice:It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by your warranty.
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil on page 5-13.
Engine Coolant Level Check
Check the engine coolant level and add DEX-COOL®
coolant mixture if necessary. SeeEngine Coolant
on page 5-24.
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
Inspect your vehicle’s tires and make sure they are
inated to the correct pressures. Do not forget to
check the spare tire. SeeInflation - Tire Pressure on
page 5-61. Check to make sure the spare tire is stored
securely. SeeChanging a Flat Tire on page 5-78.
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 5-67.
6-9

Services Provided
The following services are provided in the U.S. and
Canada up to 5 years/100,000 miles (160 000 km),
whichever occurs rst, and, in Canada only, up
to a maximum coverage of $100. These services are
provided at a nominal charge if the vehicle is no longer
in the Powertrain warranty.
Fuel Delivery:Delivery of enough fuel for the
vehicle to get to the nearest service station
(approximately $5 in Canada). For safety reasons,
propane and other alternate fuels will not be
provided through this service.
Lock-out Service:Lock-out service will be covered
at no charge if you are unable to gain entry into your
vehicle. A remote unlock may be available if you
have an active OnStar
®subscription. To ensure
security, the driver must present personal
identication before lock-out service is provided.
In Canada, the vehicle registration is also required.
Emergency Tow from a Public Roadway or
Highway:Tow to the nearest dealership for warranty
service or in the event of a vehicle-disabling crash.
Flat Tire Change:Installation of a spare tire in good
condition, when equipped and properly inated,
will be covered at no charge. The customer is
responsible for the repair or replacement of the
tire if not covered by a warrantable failure.
Jump Start:A battery jump start is covered at no
charge if the vehicle does not start.
Trip Routing Service:Upon request, Roadside
Assistance will send you detailed, computer
personalized maps, highlighting your choice of either
the most direct route or the most scenic route to your
destination, anywhere in North America, along with
helpful travel information pertaining to your trip.
Please allow three weeks before your planned
departure date. In Canada, trip routing requests will
be limited to six per calendar year.
Trip Interruption Benets and Assistance:If your
trip is interrupted due to a warranty failure, incidental
expenses may be reimbursed during the 5 years/
100,000 miles (160 000 km) warranty period. Items
covered are hotel, meals, and rental car.
HUMMER and General Motors of Canada Limited
reserve the right to limit services or reimbursement to
an owner or driver when, in their sole discretion,
the claims become excessive in frequency or type of
occurrence.
7-7

GM will not access this data or share it with others
except: with the consent of the vehicle owner or, if the
vehicle is leased, with the consent of the lessee; in
response to an official request of police or similar
government office; as part of GM’s defense of litigation
through the discovery process; or, as required by
law. Data that GM collects or receives may also be used
for GM research needs or may be made available to
others for research purposes, where a need is shown
and the data is not tied to a specic vehicle or
vehicle owner.
OnStar®
If your vehicle has OnStar and you subscribe to the
OnStar services, please refer to the OnStar Terms and
Conditions for information on data collection and
use. See alsoOnStar
®System on page 2-53in this
manual for more information.
Navigation System
If your vehicle has a navigation system, use of the
system may result in the storage of destinations,
addresses, telephone numbers, and other trip
information. Refer to the navigation system operating
manual for information on stored data and for deletion
instructions.
Radio Frequency
Identication (RFID)
RFID technology is used in some vehicles for functions
such as tire pressure monitoring and ignition system
security, as well as in connection with conveniences
such as key fobs for remote door locking/unlocking and
starting, and in-vehicle transmitters for garage door
openers. RFID technology in GM vehicles does not use
or record personal information or link with any other
GM system containing personal information.
7-17

Child Restraints
Child Restraint Systems...............................1-43
Infants and Young Children...........................1-39
Lower Anchors and Tethers for Children..........1-47
Older Children.............................................1-36
Securing a Child Restraint in a
Rear Seat Position...................................1-57
Securing a Child Restraint in the
Right Front Seat Position..........................1-60
Where to Put the Restraint...........................1-46
Cigarette Lighter.............................................3-21
Cleaning
Aluminum Wheels......................................5-106
Exterior Lamps/Lenses................................5-104
Fabric/Carpet............................................5-101
Finish Care...............................................5-104
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................5-102
Interior.....................................................5-100
Leather....................................................5-102
Speaker Covers.........................................5-103
Tires........................................................5-106
Underbody Maintenance.............................5-107
Washing Your Vehicle.................................5-103
Weatherstrips............................................5-103
Windshield, Backglass, and Wiper Blades......5-105
Wood Panels............................................5-103Climate Control System
Dual Automatic............................................3-22
Outlet Adjustment........................................3-29
Rear Air Conditioning and Heating System,
Electronic................................................3-29
Clock............................................................3-21
Clock, Setting.................................................3-73
Collision Damage Repair..................................7-10
Compass.......................................................2-45
Content Theft-Deterrent....................................2-24
Control of a Vehicle.......................................... 4-3
Coolant
Engine Temperature Gage
............................3-40
Heater, Engine............................................2-31
Surge Tank Pressure Cap.............................5-26
Cooling System..............................................5-29
Cruise Control................................................3-12
Cruise Control Light........................................3-46
Cupholder(s)..................................................2-64
Customer Assistance Information
Courtesy Transportation.................................. 7-9
Customer Assistance for
Text Telephone (TTY) Users........................ 7-4
Customer Assistance Offices........................... 7-5
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-6
Reporting Safety Defects to General Motors....7-14
3

Customer Assistance Information (cont.)
Reporting Safety Defects to the
Canadian Government..............................7-14
Reporting Safety Defects to the
United States Government.........................7-14
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-15
D
Daytime Running Lamps..................................3-17
Defensive Driving............................................. 4-2
Delayed Locking.............................................2-11
Disc, MP3.............................................3-94, 3-98
Doing Your Own Service Work........................... 5-4
Dome Lamp Override......................................3-19
Dome Lamps.................................................3-19
Door
Delayed Locking..........................................2-11
Locks........................................................2-10
Power Door Locks.......................................2-11
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-12Driver Information Center (DIC).........................3-49
DIC Operation and Displays..................3-49, 3-54
DIC Vehicle Customization............................3-63
DIC Warnings and Messages........................3-56
Driving
At Night.....................................................4-32
Before a Long Trip......................................4-34
Defensive..................................................... 4-2
Drunken....................................................... 4-2
First Aid and Tool Kit...................................4-42
Front Mounted Receiver...............................4-43
Highway Hypnosis.......................................4-34
Hill and Mountain Roads..............................4-35
In Rain and on Wet Roads...........................4-33
Off-Road....................................................4-13
Power Winch Platform..................................4-43
Recovery Loops..........................................4-40
Rocking Your Vehicle to Get it Out.................4-40
Winter........................................................4-36
Dual Automatic Climate Control System.............3-22
DVD
Rear Seat Entertainment System..................3-105
4

I
Ignition Positions.............................................2-28
Infants and Young Children, Restraints...............1-39
Ination - Tire Pressure...................................5-61
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-18
Cluster.......................................................3-32
J
Jump Starting.................................................5-40
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-56
Lamps
Dome........................................................3-19
Dome Lamp Override...................................3-19
Reading.....................................................3-19
Lap-Shoulder Belt...........................................1-30LATCH System
Child Restraints...........................................1-47
Liftgate
Carbon Monoxide........................................2-13
Light
Airbag Off..................................................3-35
Airbag Readiness........................................3-34
Antilock Brake System Warning.....................3-39
Brake System Warning.................................3-38
Charging System.........................................3-37
Cruise Control.............................................3-46
Highbeam On.............................................3-47
Low Fuel Warning.......................................3-48
Malfunction Indicator....................................3-42
Oil Pressure...............................................3-46
Safety Belt Reminders..................................3-33
Security.....................................................3-46
StabiliTrak
®Indicator....................................3-40
Tire Pressure..............................................3-41
Tow/Haul Mode...........................................3-47
Lighting
Entry/Exit...................................................3-19
Lights
Exterior Lamps............................................3-15
Flash-to-Pass............................................... 3-9
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-17
Loading Your Vehicle.......................................4-44
Locking Rear Axle............................................ 4-6
7

Lockout Protection..........................................2-12
Locks
Delayed Locking..........................................2-11
Door..........................................................2-10
Lockout Protection.......................................2-12
Power Door................................................2-11
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-12
Low Fuel Warning Light...................................3-48
Luggage Carrier..............................................2-65
Lumbar
Power Controls............................................. 1-3
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-16
Maintenance Replacement Parts....................6-14
Maintenance Requirements............................. 6-2
Owner Checks and Services........................... 6-8Maintenance Schedule (cont.)
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-2
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-42
Manual, Using.................................................... iii
Memory Seat and Mirrors.................................. 1-4
Message
DIC Warnings and Messages........................3-56
Midgate
®.......................................................2-14
Mirrors
Automatic Dimming Rearview with Compass
and Temperature Display...........................2-45
Outside Automatic Dimming Mirror.................2-49
Outside Convex Mirror.................................2-49
Outside Heated Mirrors................................2-49
Outside Power Foldaway Mirrors....................2-48
MP3 .....................................................3-94, 3-98
MyGMLink.com................................................ 7-4
N
Navigation System, Privacy..............................7-17
Navigation/Radio System,
see Navigation Manual...............................3-104
New Vehicle Break-In......................................2-28
8