ECU HUMMER H3 2010 Repair Manual

10-82 Vehicle Care
Storing a Flat or Spare Tire
and Tools
{WARNING
Storing a jack, a tire, or other
equipment in the passenger
compartment of the vehicle could
cause injury. In a sudden stop or
collision, loose equipment could
strike someone. Store all these in
the proper place.
To store the flat or spare tire on the
spare tire mount:
1. Slide the flat or spare tire onto the swing-gate.
You may need assistance to
do this.
2. Reinstall the nuts to retain the flat or spare tire.
3. Tighten the nuts by hand.
{WARNING
Wheel nuts that are improperly or
incorrectly tightened can cause
the wheels to become loose or
come off. The wheel nuts should
be tightened with a torque wrench
to the proper torque specification
after replacing. Follow the torque
specification supplied by the
aftermarket manufacturer when
using accessory locking wheel
nuts. See Capacities and
Specifications
on page 12‑2for
original equipment wheel nut
torque specifications.
4. Use the wheel wrench to tighten the nuts firmly. Try to move the
tire back and forth slightly to be
sure it is secure.
5. Reinstall the center tire cover onto the spare or flat tire.
6. If the vehicle has a spare tire cover close the cover and latch
the side latch.

Vehicle Care 10-83
To store the jack tool bag and jack:
1. Return the tools to the jacktool bag.
2. Secure the tool bag to the jackby securely wrapping the straps
around the jack. Then, slide the
straps through the rings on the
bag and secure. 3. Position the jack and jack tool
bag in the swing-gate.
When reinstalling the jack and
jack tool bag, make sure the jack
base is securely seated behind
the tabs in the swing-gate.
4. Reinstall the wing nut retainer tofasten the jack and tool bag in
the storage compartment.
Make sure that the wing nut
passes through the tool bag and
the jack before tightening it. 5. Turn the wing nut retainer
clockwise to secure.
6. Reinstall the compartment cover by inserting the locator tabs in
the holes in the swing-gate.
Push the latches down to
secure.

Vehicle Care 10-91
Use the following procedure to tow
the vehicle:
1. Put the transmission in P (Park)for an automatic transmission
or in 1 (First) for a manual
transmission.
2. Turn the engine off, but leave the ignition in ACC/
ACCESSORY.
3. Firmly set the parking brake.
4. Securely attach the vehicle being towed to the tow vehicle.
{WARNING
Shifting a full‐time four‐wheel‐
drive vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the automatic
transmission is in P (Park) or the
manual transmission is in any
gear. You or others could be
injured. Make sure the parking
brake is firmly set before the
transfer case is shifted to
N (Neutral). 5. Shift the transfer case to
N (Neutral). See Four-Wheel
Drive
on page 9‑46for the
proper procedure to select the
N (Neutral) position for the
vehicle.
6. Release the parking brake only after the vehicle being towed
is firmly attached to the tow
vehicle.
7. Make sure the ignition is in ACC/ACCESSORY.
When towing the vehicle for
extended periods of time, start the
vehicle as often as possible to
prevent battery drain. This should
only be done when the tow vehicle
is parked.
After towing, see “Shifting Out of
NEUTRAL” underFour-Wheel Drive
on page 9‑46.
Dolly Towing
Notice: Dolly towing the
vehicle will damage drivetrain
components. Do not dolly tow the
vehicle.
The vehicle cannot be dolly towed.
If the vehicle must be towed behind
another vehicle, use the dinghy
towing procedure explained
previously.

13-6 Customer Information
Services Provided
.Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.
.Lock‐Out Service:Service is
provided to unlock the vehicle if
you are locked out. A remote
unlock may be available if you
have OnStar
®. For security
reasons, the driver must present
identification before this service
is given.
.Emergency Tow From a Public
Road or Highway: Tow to the
nearest HUMMER dealer for
warranty service, or if the vehicle
was in a crash and cannot be
driven.
.Flat Tire Change: Service is
provided to change a flat tire
with spare tire. The spare tire,
if equipped, must be in good
condition and properly inflated.
It is your responsibility for the
repair or replacement of the
tire if it is not covered by the
warranty.
.Battery Jump Start: Service is
provided to jump start a dead
battery.
.Trip Routing Service: Detailed
maps of North America are
provided when requested either
with the most direct route or the
most scenic route. Additional
travel information is also
available. Allow three weeks
for delivery.
.Trip Interruption Benefits and
Assistance: If your trip is
interrupted due to a warranty
failure, incidental expenses
may be reimbursed during
the 5 year/100,000 miles
(160 000 km) Powertrain
warranty period. Items
considered are hotel, meals,
and rental car.
HUMMER Technician Roadside
Service (U.S. only)
HUMMER's exceptional Roadside
Service is more than an auto
club or towing service. It provides
every HUMMER owner in the
United States with the advantage of
contacting a HUMMER advisor and,
where available, a HUMMER trained
dealer technician who can provide
on-site service.

13-16 Customer Information
HUMMER 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
HUMMER's defense of litigation
through the discovery process; or,
as required by law. Data that
HUMMER collects or receives may
also be used for HUMMER 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 specific vehicle or vehicle
owner.
OnStar®
If the vehicle has OnStar and you
subscribe to the OnStar services,
please refer to the OnStar Terms
and Conditions in the OnStar
Owners Guide for information on
data collection and use.
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
Identification (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
HUMMER vehicles does not use or
record personal information or link
with any other HUMMER system
containing personal information.
Radio Frequency
Statement
This vehicle has systems that
operate on a radio frequency that
comply with Part 15 of the Federal
Communications Commission (FCC)
Rules and with RSS-210/211 of
Industry Canada.
Operation is subject to the following
two conditions:
1. The device may not causeinterference.
2. The device must accept any interference received, including
interference that may cause
undesired operation of the
device.
Changes or modifications to any of
these systems by other than an
authorized service facility could void
authorization to use this equipment.

i-2 INDEX
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-28Jump Starting . . . . . . . . . . . . . . . 10-86
Load Management . . . . . . . . . . . . . 6-8
Power Protection . . . . . . . . . . . . . . 6-9
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-21
Blade Replacement, Wiper . . . 10-32
Bluetooth . . . . . . . . . . . . . . . . . . . . . . 7-15
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-26 Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-50
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 9-51
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-27
Parking . . . . . . . . . . . . . . . . . . . . . . . 9-51
System Messages . . . . . . . . . . . . 5-22
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Break-In, New Vehicle . . . . . . . . . 9-33
Bulb Replacement . . . . . . . . . . . . 10-37
Fog Lamps . . . . . . . . . . . . . . . . . . . . 6-6
Halogen Bulbs . . . . . . . . . . . . . . 10-35
Headlamp Aiming . . . . . . . . . . . 10-33 Bulb Replacement (cont.)
Headlamps . . . . . . . . . . . . . . . . . 10-35
License Plate Lamps . . . . . . . 10-37
Taillamps, Turn
Signal,
Stoplamps, and
Back-Up Lamps . . . . 10-35, 10-36
Buying New Tires . . . . . . . . . . . . . 10-59
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-3
California Fuel Requirements . . . . . . . . . . . 9-65
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 10-3
Warning . . . . . . . . . . . . . . . . . . . . . . 10-2
Camera, Rear Vision . . . . . . . . . . 9-60
Canadian Vehicle Owners . . . . . . . . iii
Capacities and Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 9-40
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Winter Driving . . . . . . . . . . . . . . . . 9-24 Cargo
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Management System . . . . . . . . . . 4-2
Tie Downs . . . . . . . . . . . . . . . . . . . . . 4-2
Cautions, Danger, and Warnings . . . . . . . . . . . . . . . . . . . . . . . . iii
CD Player . . . . . . . . . . . . . . . . . . . . . 7-10
Center Console Storage . . . . . . . . 4-1
Chains, Tire . . . . . . . . . . . . . . . . . . 10-64
Charging System Light . . . . . . . . 5-11
Check
Engine Lamp . . . . . . . . . . . . . . . . . 5-12
IgnitionTransmission Lock . . . . . . . . 10-31
Child Restraints Infants and Young
Children . . . . . . . . . . . . . . . . . . . . . 3-44
Lower Anchors and Tethers for Children . . . . . . . . . 3-51
Older Children . . . . . . . . . . . . . . . . 3-42
Securing . . . . . . . . . . 3-59, 3-61, 3-62
Systems . . . . . . . . . . . . . . . . . . . . . . 3-47
Where to Put the Restraint . . . 3-49

i-6 INDEX
I
Ignition Positions . . . . . . . . . . . . . . 9-34
Ignition Transmission LockCheck . . . . . . . . . . . . . . . . . . . . . . . 10-31
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-10
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . 3-44
Instrument Cluster . . . . . . . . . . . . . . 5-7
Introduction . . . . . . . . . . . . . . . . . . .iii, 7-1
J
Jump Starting . . . . . . . . . . . . . . . . . 10-86
K
Keyless Entry Remote (RKE) System . . . . . . . . 2-3
Keyless Entry System . . . . . . . . . . 2-2
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
L
Labeling, Tire Sidewall . . . . . . . . 10-44
Lamp Messages . . . . . . . . . . . . . . . 5-24
Lamps Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 6-3
License Plate . . . . . . . . . . . . . . . 10-37
Malfunction Indicator . . . . . . . . . 5-12
Off-Road . . . . . . . . . . . . . . . . . . . . . . 6-6
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-8
Lap-Shoulder Belt . . . . . . . . . . . . . 3-20
LATCH System Replacing Parts After a
Crash . . . . . . . . . . . . . . . . . . . . . . . 3-59
Latch, Lower Anchors and Tethers for Children . . . . . . . . . . 3-51
Lighter, Cigarette . . . . . . . . . . . . . . . 5-5
Lighting
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Illumination Control . . . . . . . . . . . . 6-7 Lights
Airbag Readiness . . . . . . . . . . . . . 5-10
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 5-15
Charging System . . . . . . . . . . . . . 5-11
Cruise Control . . . . . . . . . . . . . . . . 5-18
Engine Oil Pressure . . . . . . . . . . 5-17
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
High-Beam On . . . . . . . . . . . . . . . . 5-17
High/Low Beam Changer . . . . . . 6-3
Safety Belt Reminders . . . . . . . . . 5-9
Security . . . . . . . . . . . . . . . . . . . . . . 5-17
Tire Pressure . . . . . . . . . . . . . . . . . 5-16
Traction Control System (TCS)/StabiliTrak
®. . . . . . . . . . 5-16
Up-Shift . . . . . . . . . . . . . . . . . . . . . . 5-15
Locking Front Axle . . . . . . . . . . . . . 9-55
Locking Rear Axle . . . . . . . . . . . . . 9-54
Locks Automatic Door . . . . . . . . . . . . . . . . 2-6
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Lockout Protection . . . . . . . . . . . . . 2-6
Power Door . . . . . . . . . . . . . . . . . . . . 2-5
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Loss of Control . . . . . . . . . . . . . . . . . 9-6

INDEX i-9
Replacing Airbag System . . . . . . 3-42
Replacing LATCH SystemParts After a Crash . . . . . . . . . . . 3-59
Replacing Safety Belt System Parts After a
Crash . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Reporting Safety Defects
Canadian Government . . . . . . 13-14
General Motors . . . . . . . . . . . . . 13-14
U.S. Government . . . . . . . . . . . 13-13
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . . 9-35
Ride Control Systems Messages . . . . . . . . . . . . . . . . . . . . 5-24
Roadside Service . . . . . . . . . . . . . . 13-5
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . 2-17
Roof Rack System . . . . . . . . . . . . . . 4-4
Rotation, Tires . . . . . . . . . . . . . . . . 10-57
Routing, Engine Drive Belt . . . . . 12-4
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . 9-41S
Safety Belts . . . . . . . . . . . . . . . . . . . 3-10Care . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Extender . . . . . . . . . . . . . . . . . . . . . . 3-26
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . 3-15
Lap-Shoulder Belt . . . . . . . . . . . . 3-20
Reminders . . . . . . . . . . . . . . . . . . . . . 5-9
Replacing After a Crash . . . . . . 3-27
Use During Pregnancy . . . . . . . . 3-25
Safety Defects Reporting
Canadian Government . . . . . . 13-14
General Motors . . . . . . . . . . . . . 13-14
U.S. Government . . . . . . . . . . . 13-13
Safety Locks . . . . . . . . . . . . . . . . . . . . 2-6
Safety System Check . . . . . . . . . . 3-26
Satellite Radio . . . . . . . . . . . . . . . . . . 7-6
Scheduled Maintenance . . . . . . . 11-2
Scheduling Appointments . . . . . . 13-8
Seats Adjustment, Front . . . . . . . . . . . . . . 3-3
Head Restraints . . . . . . . . . . . . . . . 3-2
Heated Front . . . . . . . . . . . . . . . . . . 3-6
Lumbar Adjustment, Front . . . . . 3-4 Seats (cont.)
Power Adjustment, Front . . . . . . 3-3
Rear . . . . . . . . . . . . . . . . . . . . . . 3-7, 3-9
Reclining Seatbacks . . . . . . . . . . . 3-4
Secondary Latch System . . . . . 10-84
Securing Child Restraints . . . . . . . . 3-59, 3-61, 3-62
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Service Accessories andModifications . . . . . . . . . . . . . . . . 10-3
Doing Your Own Work . . . . . . . . 10-4
Engine Soon Lamp . . . . . . . . . . . 5-12
Maintenance Records . . . . . . . 11-11
Maintenance, General Information . . . . . . . . . . . . . . . . . . 11-1
Parts Identification Label . . . . . 12-1
Publications Ordering Information . . . . . . . . . . . . . . . . 13-12
Scheduling Appointments . . . . . 13-8
Vehicle Messages . . . . . . . . . . . . 5-25

INDEX i-11
TowingDriving Characteristics . . . . . . . . 9-70
Equipment . . . . . . . . . . . . . . . . . . . . 9-78
General Information . . . . . . . . . . 9-70
Recreational Vehicle . . . . . . . . 10-90
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 9-74
Trailer Recommendations . . . . 9-81
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-90
Traction Control System (TCS) . . . . . . . . 9-52
Control System (TCS)/StabiliTrak
®Light . . . . . . . . . . . . 5-16
Trailer Towing Recommendations . . . . 9-81
Trailer Towing . . . . . . . . . . . . . . . . . 9-74
Transfer Case Vent Filter . . . . . . . . . . . . . . . . . . . . 9-46
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 9-41
Fluid, Automatic . . . . . . . . . . . . 10-12
Fluid, Manual . . . . . . . . . . . . . . . 10-15
Messages . . . . . . . . . . . . . . . . . . . . 5-25 Transportation Program,
Courtesy . . . . . . . . . . . . . . . . . . . . . 13-8
Trip Odometer . . . . . . . . . . . . . . . . . . 5-8
Truck-Camper Loading Information . . . . . . . . . . . . . . . . . . . 9-33
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Turn Signal Bulb Replacement . . . 10-35, 10-36U
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 10-61
Universal Remote System . . . . . 5-26 Operation . . . . . . . . . . . . . . . . . . . . . 5-30
Programming . . . . . . . . . . . . . . . . . 5-26
Up-Shift Light . . . . . . . . . . . . . . . . . . 5-15
Using this Manual . . . . . . . . . . . . . . . . iii
V
Vehicle Canadian Owners . . . . . . . . . . . . . . . iii
Control . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Load Limits . . . . . . . . . . . . . . . . . . . 9-27
Messages . . . . . . . . . . . . . . . . . . . . 5-21
Security . . . . . . . . . . . . . . . . . . . . . . . 2-9
Towing . . . . . . . . . . . . . . . . . . . . . . 10-90
Vehicle Care Tire Pressure . . . . . . . . . . . . . . . 10-51
Vehicle Identification
Number (VIN) . . . . . . . . . . . . . . . . . 12-1
Service Parts IdentificationLabel . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Vent Filter Transfer Case . . . . . . . . . . . . . . . . 9-46
Ventilation, Air . . . . . . . . . . . . . . . . . . 8-4
Visors . . . . . . . . . . . . . . . . . . . . . . . . . 2-17