2010 HUMMER H3 ignition

In Brief 1-9
Sensing System for
Passenger Airbag
United States
Canada
The passenger sensing system will
turn off the right front passenger
frontal airbag under certain
conditions. The driver airbag and
roof‐rail airbags (if equipped) are not
affected by the passenger sensing
system. See Passenger Airbag
Status Indicator
on page 5‑11for
more information. The passenger airbag status
indicator will be visible on the
instrument panel when the vehicle
is started.
Mirror Adjustment
Exterior Mirrors
H3 shown, H3T similar
Controls for the outside power
mirrors are located on the
driver door. To adjust the power mirrors:
1. Press the left or right side of the
selector switch to choose the
driver or passenger side mirror.
2. Press the round, four-way control pad to adjust the mirror.
Interior Mirror
The vehicle has an automatic
dimming rearview mirror with a
compass and temperature display.
Automatic dimming reduces the
glare from the headlamps of the
vehicle behind you. The dimming
feature comes on and the indicator
light illuminates each time the
ignition is turned to start.
z:Press to turn the dimming
feature and/or compass display on
or off.
For more information, see
.Automatic Dimming Rearview
Mirror on page 2‑14.
.Driver Information Center (DIC)on page 5‑18.

1-14 In Brief
BAND:Press to select FM1, FM2,
AM, XM1, if equipped, or XM2,
if equipped.
DISP: Turn to select a radio station.
1-6 (Preset Pushbuttons): Press
to select preset stations.
tSEEKu: Press and release to
go to the previous or next station
and stay there. Press and hold to
scan stations or preset stations.
Setting the Clock
The clock can be set with the
ignition on or off.
To set the clock:
1. Press and hold H until the correct hour and AM or PM
displays.
2. Press and hold M until the correct minute displays.
Press DISP (Display) to display the
time while the ignition is turned off. Setting Preset Stations
Up to 30 stations (six FM1, six FM2,
and six AM, six XM1, if equipped,
and six XM2, if equipped) can be
programmed.
To program presets:
1. Turn the radio on.
2. Press BAND to select FM1,
FM2, AM, or XM1 or XM2.
3. Tune in the desired station.
4. Press and hold one of the six numbered pushbuttons
until the radio beeps once.
5. Repeat the steps for each pushbutton.
Satellite Radio
Vehicles with an XM™ Satellite
Radio tuner and a valid XM Satellite
Radio subscription can receive XM
programming.
XM Satellite Radio Service
XM is a satellite radio service
that is based in the 48 contiguous
United States and 10 Canadian
provinces. XM Satellite Radio
has a wide variety of programming
and commercial-free music,
coast-to-coast, and in digital-quality
sound. A fee is required to receive
the XM service.
For more information refer to:
.www.xmradio.com or call
1-800-929-2100 (U.S.).
.www.xmradio.ca or call
1-877-438-9677 (Canada).
See Satellite Radio on page 7‑6.

1-18 In Brief
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays a DIC message when
it is necessary to change the engine
oil and filter.
Resetting the Oil Life System
1. Turn the ignition to ON/RUN,with the engine off.
2. Press and release the stem in the lower center of the
instrument cluster until the
“Oil Life” message is displayed.
3. Once the alternating “Oil Life”
and “Reset” messages appear,
press and hold the stem
until several beeps sound.
This confirms that the oil life
system has been reset.
4. Turn the key to LOCK/OFF.
See Engine Oil Life System
on
page 10‑11.
Fuel E85 (85% Ethanol)
Vehicles that have the
5.3L V8 engine (Code P) have
a yellow fuel cap and can use either
unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol)
on
page 9‑66. In all other engines,
use only the unleaded gasoline
described under Recommended
Fuel on page 9‑64.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving
tips to get the best fuel economy
possible.
.Avoid fast starts and accelerate
smoothly.
.Brake gradually and avoid
abrupt stops.
.Avoid idling the engine for long
periods of time.
.When road and weather
conditions are appropriate, use
cruise control, if equipped.
.Always follow posted speed
limits or drive more slowly when
conditions require.
.Keep vehicle tires properly
inflated.
.Combine several trips into a
single trip.
.Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
.Follow recommended scheduled
maintenance.

2-2 Keys, Doors and Windows
Keys and Locks
Keys
{WARNING
Leaving children in a vehicle with
the ignition key is dangerous for
many reasons, children or others
could be badly injured or even
killed. They could operate the
power windows or other controls
or even make the vehicle move.
The windows will function with the
keys in the ignition and children
could be seriously injured or killed
if caught in the path of a closing
window. Do not leave the keys in
a vehicle with children.
The key is used for the ignition and
driver's door lock.
The vehicle has two identical keys
and a key code number.
Give the key code to your dealer
or qualified locksmith if a new key
needs to be made.Notice:
If you ever lock your keys
in the vehicle, you may have to
damage the vehicle to get in.
Be sure you have spare keys.
In an emergency, contact Roadside
Assistance. See Roadside Service
on page 13‑5.
Remote Keyless Entry
(RKE) System
SeeRadio Frequency Statementon
page 13‑16for information
regarding Part 15 of the Federal
Communications Commission (FCC)
Rules and RSS-210/211 of Industry
Canada.
Changes or modifications to
this system by other than an
authorized service facility could void
authorization to use this equipment.

2-6 Keys, Doors and Windows
Automatic Door Locks
With an automatic transmission,
the vehicle is pre-programmed to
automatically lock the doors when
shifted out of P (Park). All doors
unlock when the vehicle is shifted
back into P (Park).
With a manual transmission, the
vehicle is pre-programmed to
automatically lock the doors when
the vehicle speed reached 15 mph
(24 km/h). Removing the key from
the ignition unlocks the doors.
To program the automatic door
locks, see“Automatic Door Locks”
under Driver Information Center
(DIC) on page 5‑18.
Lockout Protection
This feature protects against locking
the key in the vehicle when it is in
the ignition. A chime sounds as an alert to
indicate that the key has been left in
the ignition. When the power door
lock switch is pressed, a door is
open, and the key is in the ignition
all of the doors lock and then the
driver's door unlocks.
Safety Locks
Each rear door can be locked so it
cannot be opened from the inside.
The rear door security lock is
located on the inside edge of each
rear door.To engage a security lock:
1. Open one of the rear doors.
2. Use the ignition key to turn the
lock toward the front of the
vehicle.
3. Close the door.
4. Repeat these steps on the other rear door.
To open a rear door when the
security lock is set, unlock the door
and open the door from the outside.
To disengage a security lock:
1. Open one of the rear doors.
2. Use the ignition key to turn the lock to the vertical position.
3. Close the door.
4. Repeat these steps on the other rear door.

2-10 Keys, Doors and Windows
To avoid setting off the alarm by
accident:
.Lock the vehicle with the manual
door lock lever, the power door
lock switch, or the key, after the
doors are closed.
.Unlock the doors by pressing
the unlock button on the RKE
transmitter or by contacting
OnStar. Unlocking a door any
other way activates the alarm.
Press unlock on the RKE
transmitter, start the vehicle with
the correct key, or have OnStar
unlock the doors to turn the alarm
off. The alarm does not stop if a
door is unlocked any other way.
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lock the doors with the RKE transmitter.
2. Unlock the door with the manual door lock and open the door.
The pre-alarm should sound
followed by the full alarm about
10 seconds later.
3. Press the unlock button on the RKE transmitter or start the
engine to turn the alarm off.
If the alarm does not sound but the
lights flash, check to see if the horn
works. The horn fuse could be
blown. To replace the fuse, see
Fuses and Circuit Breakers
on
page 10‑39.
If the alarm does not sound or the
front turn signal lamps do not flash,
see your dealer for service.
Immobilizer
See Radio Frequency Statementon
page 13‑16for information
regarding Part 15 of the Federal
Communications Commission (FCC)
Rules and RSS-210/211 of Industry
Canada.
Immobilizer
Operation (U.S.)
Passlock®is a passive
theft-deterrent system that enables
fuel if the vehicle is started with a
valid key. If an incorrect key is used
or the ignition lock cylinder is
tampered with, the fuel system is
disabled and the vehicle does not
start.
The security light turns off
approximately five seconds after
the engine is started. See Security
Light on page 5‑17.

Keys, Doors and Windows 2-11
If the engine stalls and the security
light flashes, wait about 10 minutes
until the light stops flashing before
trying to restart the engine. Release
the key from START as soon as the
engine starts.
If the engine does not start after
three tries, the vehicle needs
service.
If the engine is running and the
security light comes on, the engine
restarts if you turn the engine off.
However, the Passlock system is
not working properly and must be
serviced by your dealer. The vehicle
is not protected by Passlock at this
time. See your dealer for service.In an emergency, call the Roadside
Assistance Center. See
Roadside
Service on page 13‑5.
Do not leave the key or device that
disarms or deactivates the theft
deterrent system in the vehicle.
Immobilizer Operation
(Canada)
This vehicle has a passive
theft-deterrent system.
The system is automatically armed
when the key is removed from the
ignition.
The system is automatically
disarmed when the key is turned
to ON/RUN. You do not have to manually arm or
disarm the system.
The security light comes on if
there is a problem with arming or
disarming the theft-deterrent
system.
The key uses a transponder that
matches an immobilizer control unit
in the vehicle. Only the correct key
starts the vehicle. If the key is ever
damaged, the vehicle may not start.
When trying to start the vehicle,
if the engine does not start and the
security light comes on, there may
be a problem with the theft-deterrent
system. Turn the ignition off and try
again.

2-12 Keys, Doors and Windows
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. Check the
fuse. SeeFuses and Circuit
Breakers
on page 10‑39. If the
engine still does not start with the
other key, the vehicle needs service.
If the vehicle does start, the first key
may be faulty. See your dealer who
can service the theft-deterrent
system and have a new key made.
It is possible for the theft-deterrent
system decoder to learn the
transponder value of a new or
replacement key. Up to 10 keys
can be programmed for the vehicle.
The following procedure is for
programming additional keys only.
If the keys are lost or damaged,
only a dealer can service the
theft-deterrent system to have new
ones made. Two current driver's
keys are required to program
additional keys. To program a new key:
1. Verify that the new key has
PK3+ stamped on it.
2. Insert the current driver's key in the ignition and start the engine.
If the engine does not start see
your dealer for service.
3. After the engine has started, turn the key to LOCK/OFF, and
remove the key.
4. Insert the second current driver's key in the ignition and start the
engine within ten seconds of
removing the previous key. If the
engine does not start see your
dealer for service. 5. After the engine has started,
turn the key to LOCK/OFF, and
remove the key. Insert the key to
be programmed and turn it to
ON/RUN within ten seconds of
removing the previous key.
The security light turns off once
the key has been programmed.
6. Repeat the Steps 1 through 5 if additional keys are to be
programmed.
If the security light comes on
and stays on while driving, the
engine will restart if you turn it off.
However, the theft-deterrent
system is not working properly and
must be serviced by your dealer.
The vehicle is not protected by the
theft-deterrent system at this time.
In an emergency, contact Roadside
Assistance. See Roadside Service
on page 13‑5.
Do not leave the key or device that
disarms or deactivates the theft
deterrent system in the vehicle.