lock HUMMER H3 2006 Owners Manual

Page 287 of 410

2. Push it back in all the way, wait three seconds and
then pull it back out again.
3. Check both sides of the dipstick, and read the lower
level. The uid level must be in the COLD area,
below the cross-hatched area, for a cold check or in
the HOT or cross-hatched area for a hot check.
Be sure to keep the dipstick pointed down to get an
accurate reading.
4. If the uid level is in the acceptable range, push the
dipstick back in all the way; then ip the handle
down to lock the dipstick in place.How to Add Automatic
Transmission Fluid
Refer to the Maintenance Schedule to determine what
kind of transmission uid to use. SeeRecommended
Fluids and Lubricants on page 6-12.
Add uid only after checking the transmission uid while
it is hot. A cold check is used only as a reference.
If the uid level is low, add only enough of the proper
uid to bring the level up to the HOT area for a hot
check. It does not take much uid, generally less than
one pint (0.5 L). Do not overll.
Notice:Use of the incorrect automatic transmission
uid may damage your vehicle, and the damages
may not be covered by your warranty. Always use
the automatic transmission uid listed in
Recommended Fluids and Lubricants on page 6-12.
After adding uid, recheck the uid level as
described under “How to Check Automatic
Transmission Fluid,” earlier in this section.
When the correct uid level is obtained, push the
dipstick back in all the way; then ip the handle
down to lock the dipstick in place.
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Page 298 of 410

How to Add Coolant to the Radiator
1. You can remove the radiator pressure cap when
the cooling system, including the upper radiator
hose, is no longer hot. Turn the pressure cap slowly
counterclockwise about one full turn.
If you hear a hiss, wait for that to stop. A hiss
means there is still some pressure left.
2. Then keep turning the cap to remove it.
3. Fill the radiator with the proper DEX-COOL
®
coolant mixture, up to the base of the ller
neck. SeeEngine Coolant on page 5-24for more
information about the proper coolant mixture.4. Then ll the coolant recovery tank to the
FULL COLD mark.
5. Reinstall the cap on the coolant recovery tank,
but leave the radiator pressure cap off.
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Page 314 of 410

7. Locate the vertical headlamp aiming screws, which
are under the hood near each headlamp assembly.
The adjustment screw can be turned with an
E8 Torx
®socket or T15 Torx®screwdriver.8. Turn the vertical aiming screw until the headlamp
beam is aimed to the horizontal tape line. If you turn
it clockwise, it will raise the beam and if you turn it
counterclockwise, it will lower the beam.
The top edge of the cut-off should be positioned at
the bottom edge of the horizontal tape line.
9. Repeat Steps 7 and 8 for the opposite headlamp. Passenger’s Side Shown
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Page 315 of 410

Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 5-51.
For any bulb changing procedure not listed in this
section, contact your dealer.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.
Headlamps
To replace a headlamp bulb, do the following:
1. Open the hood. SeeHood Release on page 5-11
for more information.
2. Reach in and access the headlamp bulb.
3. Turn the bulb socket counterclockwise to remove it
from the headlamp assembly.
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4. Unplug the electrical connector by pushing the
release tab and pulling the bulb socket out.
5. Replace with a new bulb socket.
6. Reinstall the electrical connector.
7. Reinstall the bulb socket into the headlamp
assembly making sure to align the tabs on the bulb
socket with the tabs in the headlamp housing.
8. Turn the bulb socket clockwise to secure it.Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
A. Stoplamp, Taillamp and
Turn Signal Lamp
B. Back-up Lamp
To replace one of these bulbs in the taillamp assembly,
do the following:
1. Open the swing-gate. SeeSwing-gate on page 2-9
for more information.
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Page 317 of 410

2. Remove the two screws
from the taillamp
assembly.
3. Remove the taillamp assembly by pulling it gently to
release the two locator tabs. The locator tabs
connect the taillamp assembly to the vehicle’s frame.
4. Turn the bulb socket counterclockwise to remove it
from the taillamp housing.5. Replace with a new bulb.
6. Insert the bulb into the taillamp housing and turn it
counterclockwise until it is locked into place.
7. Reinstall the rear lamp assembly by lining up the
locator tabs with the holes in the vehicle’s frame.
8. Reinstall the two screws.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp, Stoplamp,
Taillamp and Turn Signal Lamp3157K
Low-Beam and High-Beam
HeadlampH13
For replacement bulbs not listed here, contact your
dealer. Passenger’s Side
Shown
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The TPM sensor matching procedure is outlined below:
1. Set the parking brake.
2. Turn the ignition switch to ON with the engine off.
3. Turn the exterior lamp switch from AUTO to
ON four times within three seconds. A double horn
chirp will sound and the TPMS low tire warning
light will begin to ash. The double horn chirp and
ashing TPMS warning light indicates the TPM
matching process has started. The TPMS warning
light should continue ashing throughout the
matching procedure. The SERV TPM message will
be displayed on the Driver Information Center (DIC).
4. Start with the left (driver’s side) front tire.
5. Remove the valve cap from the valve cap stem.
Activate the TPMS sensor by increasing or
decreasing the tire’s air pressure for 10 seconds,
then stop and listen for a single horn chirp.
The single horn chirp should sound within
15 seconds, conrming that the sensor identication
code has been matched to this tire and wheel
position. If you do not hear the conrming single
horn chirp, you will need to start over with step
number one. To let air-pressure out of a tire you can
use the pointy end of the valve cap, a pencil-style
air pressure gage or a key.6. Proceed to the right (passenger’s side) front tire,
and repeat the procedure in Step 5.
7. Proceed to the right (passenger’s side) rear tire,
and repeat the procedure in Step 5.
8. Proceed to the left (driver’s side) rear tire, and
repeat the procedure in Step 5.
9. After hearing the conrming horn chirp for the left
rear tire, check to see if the TPMS warning light is
still ashing. If yes, turn the ignition switch to LOCK.
10. Set all four tires to the recommended air pressure
level as indicated on the Tire and Loading
Information label.
11. Put the valve caps back on the valve stems.
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If you must replace your vehicle’s tires with those that
do not have a TPC Spec number, make sure they
are the same size, load range, speed rating, and
construction type (radial and bias-belted tires) as your
vehicle’s original tires.
Vehicles equipped with a tire pressure monitoring
system may give an inaccurate low-pressure warning
if non-TPC spec rated tires are installed on your vehicle.
Non-TPC Spec rated tires may give a low-pressure
warning that is higher or lower than the proper warning
level you would get with TPC Spec rated tires.
SeeTire Pressure Monitor System on page 5-61.
Your vehicle’s original equipment tires are listed on
the Tire and Loading Information Label. This label
is attached to the vehicle’s center pillar (B-pillar).
SeeLoading Your Vehicle on page 4-52, for more
information about the Tire and Loading Information
Label.Different Size Tires and Wheels
If you add wheels or tires that are a different size than
your original equipment wheels and tires, this may
affect the way your vehicle performs, including its
braking, ride and handling characteristics, stability and
resistance to rollover. Additionally, if your vehicle
has electronic systems such as, antilock brakes; traction
control; and electronic stability control, the performance
of these systems can be affected.
{CAUTION:
If you add different sized wheels, your vehicle
may not provide an acceptable level of
performance and safety if tires not
recommended for those wheels are selected.
You may increase the chance that you will crash
and suffer serious injury. Only use GM specic
wheel and tire systems developed for your
vehicle, and have them properly installed by a
GM certied technician.
SeeBuying New Tires on page 5-66andAccessories
and Modications on page 5-3for additional information.
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Changing a Flat Tire
If a tire goes at, avoid further tire and wheel damage
by driving slowly to a level place. Turn on your
hazard warning ashers.
{CAUTION:
Changing a tire can be dangerous. The vehicle
can slip off the jack and roll over or fall on you
or other people. You and they could be badly
injured or even killed. Find a level place to
change your tire. To help prevent the vehicle
from moving:
1. Set the parking brake rmly.
2. Put an automatic transmission shift lever
in PARK (P), or shift a manual
transmission to FIRST (1) or REVERSE (R).
CAUTION: (Continued)
CAUTION: (Continued)
3. If you have a four-wheel-drive vehicle,
be sure the transfer case is in a drive
gear – not in NEUTRAL.
4. Turn off the engine and do not restart
while the vehicle is raised.
5. Do not allow passengers to remain in the
vehicle.
To be even more certain the vehicle will not
move, put blocks at the front and rear of the
tire farthest away from the one being changed.
That would be the tire on the other side, at the
opposite end of the vehicle.
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When you have a at tire, you will rst need to set up
the wheel blocks before changing it. They are located in
the tool bag, in the swing-gate. SeeRemoving the
Spare Tire and Tools on page 5-75for more information.
To use the wheel blocks,
lift the wheel block as
shown and lock into place.Then, use the following as a guide to assist you in the
placement of the wheel blocks.
The following information will tell you next how to use
the jack and change a tire.
5-74

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