automatic transmission HUMMER H2 2006 Owner's Manual

(h)Change automatic transmission uid and lter if the
vehicle is mainly driven under one or more of these
conditions:
In heavy city traffic where the outside temperature
regularly reaches 90°F (32°C) or higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(i)Drain, ush, and rell cooling system. This service
can be complex; you should have your dealer perform
this service. See Engine Coolant on page 5-24 for
what to use. Inspect hoses. Clean radiator, condenser,
pressure cap, and ller neck. Pressure test the
cooling system and pressure cap.
(j)A uid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired and
the uid level checked. Add uid if needed.
(k)Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.Owner Checks and Services
These owner checks and services should be performed
at the intervals specied to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your GM Goodwrench
®dealer can assist you
with these checks and services.
Be sure any necessary repairs are completed at once.
Whenever any uids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
inRecommended Fluids and Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these underhood checks at
each fuel ll.
6-8

At Least Once a Year
Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 2-34.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicle
should start only in PARK (P) or NEUTRAL (N). If
the vehicle starts in any other position, contact your
GM Goodwrench
®dealer for service.
Automatic Transmission Shift Lock
Control System Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle. It should be parked on a level
surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-34.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition to RUN, but do
not start the engine. Without applying the regular
brake, try to move the shift lever out of PARK (P)
with normal effort. If the shift lever moves out
of PARK (P), contact your GM Goodwrench
®dealer
for service.
6-10

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK in each shift lever position.
The ignition should turn to LOCK only when the
shift lever is in PARK (P).
The key should come out only in LOCK.
Contact your GM Goodwrench
®dealer if service
is required.
Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your vehicle
could begin to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in
case it begins to roll. Be ready to apply the
regular brake at once should the vehicle begin
to move.Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
To check the parking brake’s holding ability: With
the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal. Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to PARK (P).
Then release the parking brake followed by the
regular brake.
Contact your GM Goodwrench
®dealer if service
is required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
6-11

Recommended Fluids and
Lubricants
Fluids and lubricants identied below by name, part
number, or specication may be obtained from
your dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM Goodwrench
®
oil meets all the requirements for
your vehicle. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on
page 5-14.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 5-24.
Usage Fluid/Lubricant
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
Windshield
WasherGM Optikleen
®Washer Solvent.
Power Steering
SystemGM Power Steering Fluid
(GM Part No. U.S. 89021184, in
Canada 89021186).
Automatic
TransmissionDEXRON
®-VI Automatic
Transmission Fluid.
Key Lock
CylindersMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Chassis
LubricationChassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
Front and Rear
AxleSAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. U.S. 12378261, in
Canada 10953455) meeting
GM Specication 9986115.
6-12

Usage Fluid/Lubricant
Transfer CaseDEXRON
®-III Automatic
Transmission Fluid. Look for
“Approved for the H-Specication”
on the label.
Front Axle
Propshaft
SplineSpline Lubricant, Special Lubricant
(GM Part No. U.S. 12345879, in
Canada 10953511) or lubricant
meeting requirements of
GM 9985830.
Hood HingesMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Outer Tailgate
Handle Pivot
PointsMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Usage Fluid/Lubricant
Spare Tire
Carrier HingePTFE Filled Synthetic Grease
(GM Part No. U.S. 89022180, in
Canada 890221801) meeting
GM Specication 9986139.
Spare Tire
Carrier LatchMulti-Purpose Lubricant, Superlube
(GM Part No. U.S. 12346241, in
Canada 10953474).
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. U.S. 12345579, in
Canada 992887).
Weatherstrip
SqueaksSynthetic Grease with
Teon, Superlube
(GM Part No. U.S. 12371287, in
Canada 10953437).
6-13

Audio System(s) (cont.)
Navigation/Radio System, see Navigation
Manual...................................................3-88
Radio with Cassette and CD.........................3-63
Radio with Six-Disc CD................................3-76
Rear Seat Audio (RSA)...............................3-108
Setting the Time..........................................3-62
Theft-Deterrent Feature...............................3-109
Understanding Radio Reception...................3-111
XM™ Satellite Radio Antenna System...........3-114
Automatic Headlamp System............................3-16
Automatic Transmission
Fluid..........................................................5-22
Operation...................................................2-27
B
Battery..........................................................5-38
Run-Down Protection...................................3-18
Before Leaving on a Long Trip.........................4-43
Bench Seat, Split (60/40)................................... 1-6
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-8
Parking......................................................2-34
System Warning Light..................................3-35
Brakes..........................................................5-35
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8Break-In, New Vehicle.....................................2-24
Bulb Replacement...........................................5-46
Daytime Running Lamps...............................5-48
Front Turn Signal and Parking Lamps.............5-48
Halogen Bulbs............................................5-46
Headlamps.................................................5-47
Replacement Bulbs......................................5-51
Roof Marker Lamps.....................................5-49
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-50
Buying New Tires...........................................5-63
C
California Fuel.................................................. 5-6
California Proposition 65 Warning....................... 5-3
Canadian Owners................................................ ii
Capacities and Specications..........................5-124
Carbon Monoxide . . . 2-11, 2-12, 2-14, 2-37, 4-46, 4-63
Care of
Safety Belts..............................................5-108
Your Cassette Tape Player..........................3-111
Your CD and DVD Player...........................3-113
Your CDs and DVDs..................................3-113
Cargo Area, All-Weather..................................2-58
Cargo Tie Downs............................................2-58
Center Console Storage Area...........................2-54
Center Overhead Console................................2-54
Chains, Tire...................................................5-67
2

Engine (cont.)
Check and Service Engine Soon Light............3-39
Coolant......................................................5-24
Coolant Heater............................................2-26
Coolant Temperature Gage...........................3-37
Drive Belt Routing.......................................6-15
Engine Compartment Overview......................5-12
Exhaust.....................................................2-37
Oil .............................................................5-14
Oil Life System...........................................5-17
Overheated Protection Operating Mode...........5-28
Overheating................................................5-27
Starting......................................................2-25
Entry/Exit Lighting...........................................3-18
Event Data Recorders (EDR)............................7-10
Extender, Safety Belt.......................................1-31
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-19
Finish Damage.............................................5-112
First Aid Kit....................................................4-52
Fixed Mast Antenna.......................................3-114
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-69Flat Tire, Changing.........................................5-70
Flat Tire, Storing...................................5-96, 5-101
Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-33
Windshield Washer......................................5-34
Four-Wheel Drive............................................5-44
Four-Wheel Drive, Full-Time.............................2-30
Front Axle......................................................5-45
Front Mounted Receiver...................................4-53
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-44
Gasoline Octane........................................... 5-5
Gasoline Specications.................................. 5-5
Low Warning Light.......................................3-44
Fuses
Center Instrument Panel Fuse Block.............5-118
Fuses and Circuit Breakers.........................5-115
Instrument Panel Fuse Block.......................5-116
Underhood Fuse Block...............................5-119
Windshield Wiper.......................................5-115
5

G
Gage
Engine Coolant Temperature.........................3-37
Fuel..........................................................3-44
Oil Pressure...............................................3-41
Speedometer..............................................3-31
Tachometer.................................................3-31
Transmission Temperature.............................3-37
Voltmeter Gage...........................................3-34
Garage Door Opener.......................................2-50
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Glove Box.....................................................2-54
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamps....................................................5-47
Automatic Headlamp System.........................3-16
Bulb Replacement.......................................5-46
Daytime Running Lamps.......................3-15, 5-48
Flash-to-Pass............................................... 3-8
Front Turn Signal and Parking Lamps.............5-48Headlamps (cont.)
Halogen Bulbs............................................5-46
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-15
Roof Marker Lamps.....................................5-49
Heated Seats................................................... 1-3
Heater...........................................................3-22
Highbeam On Light.........................................3-43
Highway Hypnosis...........................................4-43
Hill and Mountain Roads..................................4-44
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-19
I
Ignition Positions.............................................2-24
Infants and Young Children, Restraints...............1-35
Ination - Tire Pressure...................................5-59
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-17
Cluster.......................................................3-30
6

Traction
Control System (TCS).................................... 4-9
Off Light.....................................................3-36
Trailer
Recommendations.......................................4-76
Transmission
Fluid, Automatic...........................................5-22
Temperature Gage.......................................3-37
Transmission Operation, Automatic....................2-27
Trip Odometer................................................3-31
Turn and Lane-Change Signals.......................... 3-7
Turn Signal/Multifunction Lever........................... 3-7
U
Understanding Radio Reception.......................3-111
Uniform Tire Quality Grading............................5-65
Universal Home Remote System.......................2-50
Operation...................................................2-50
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-55
Symbols......................................................... iv
Vehicle Customization, DIC..............................3-55
Vehicle Data Collection and Event Data
Recorders..................................................7-10
Vehicle Identication
Number (VIN)............................................5-114
Service Parts Identication Label..................5-114
Vehicle Personalization....................................2-63
Memory Seat..............................................2-63
Ventilation Adjustment......................................3-28
Visors...........................................................2-21
Voltmeter Gage..............................................3-34
13