light GMC ENVOY DENALI 2009 Owner's Manual

Page 107 of 474

Shifting Into Two-Wheel High
Turn the knob to Two-Wheel High. This can be done at
any speed unless you are shifting out of Four-Wheel Low.
Shifting Into Four-Wheel Low
To shift to Four-Wheel Low, the vehicle’s engine must
be running and the vehicle must be stopped or moving
less than 2 mph (3.2 km/h) with the transmission in
N (Neutral). The preferred method for shifting into
Four-Wheel Low is to have your vehicle moving 1 or
2 mph (1.6 to 3.2 km/h). Turn the knob to Four-Wheel
Low. You must wait for the Four-Wheel Low indicator light
to stop ashing and stay on before shifting the
transmission into gear.
If you turn the knob to Four-Wheel Low when the
vehicle is in gear and/or moving, the Four-Wheel Low
indicator light will ash for 30 seconds and not complete
the shift unless the vehicle is moving less than 2 mph
(3.2 km/h) and the transmission is in N (Neutral).
After 30 seconds, the transfer case will return to the
setting last chosen.
Shifting Out of Four-Wheel Low
To shift from Four-Wheel Low to Four-Wheel High, Auto
Four-Wheel Drive, or Two-Wheel High, the vehicle
must be stopped or moving less than 2 mph (3.2 km/h)
with the transmission in N (Neutral) and the engine
running. The preferred method for shifting out of
Four-Wheel Low is to have your vehicle moving
1 or 2 mph (1.6 to 3.2 km/h). Turn the knob to
Four-Wheel High, Auto Four-Wheel Drive, or Two-Wheel
High. You must wait for the Four-Wheel High, Auto
Four-Wheel Drive, or Two-Wheel High indicator light to
stop ashing and stay off before shifting your
transmission into gear.
If the knob is turned to Four Wheel-High, Auto
Four-Wheel Drive, or Two-Wheel High when the vehicle
is in gear and/or moving, the Four-Wheel High, Auto
Four-Wheel Drive, or Two-Wheel High indicator light will
ash for 30 seconds. It will not complete the shift
unless the vehicle is moving less than 2 mph (3.2 km/h)
with the transmission in N (Neutral).
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Shifting into Neutral
Before shifting the transfer case to Neutral, rst make
sure the vehicle is parked so that it will not roll.
1. Set the parking brake.
2. Start the vehicle.
3. Put the transmission in N (Neutral).
4. Shift the transfer case to Two-Wheel High.
5. Turn the transfer case knob all of the way past
Four-Wheel Low and hold it there for a minimum
of 10 seconds. The Neutral indicator light will
come on.
6. With the engine running, shift the transmission to
R (Reverse) for one second, then shift the
transmission to D (Drive) for one second, to ensure
that the transfer case is in Neutral.
7. Turn the engine off, by turning the key to
ACC/ACCESSORY.
8. Place the transmission shift lever in P (Park).
9. Turn the ignition to LOCK/OFF.
Shifting Out of Neutral
To shift the transfer case out of Neutral, do the following:
1. Set the parking brake and apply the regular brake
pedal.
2. Turn the ignition to ON/RUN with the engine off.
3. Put the transmission in N (Neutral).
4. Turn the transfer case knob to the desired position
(Two-Wheel High, Four-Wheel High, or Auto
Four-Wheel Drive).
5. After the transfer case has shifted out of Neutral,
the indicator light will go out.
6. Release the parking brake.
7. Start the engine and shift the transmission to the
desired position.
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Parking Brake
To set the parking brake,
hold the regular brake
pedal down with your foot
and pull up on the parking
brake lever located
between the seats.
To release the parking brake, hold the regular brake
pedal down. Pull the parking brake lever up until you can
press in the button at the end of the lever. Hold the
button in as you move the parking brake lever all the
way down.If the ignition is on, the brake system warning light on
the instrument panel cluster will come on. SeeBrake
System Warning Light on page 3-35.
Notice:Driving with the parking brake on can
overheat the brake system and cause premature
wear or damage to brake system parts. Verify that
the parking brake is fully released and the brake
warning light is off before driving.
If you are towing a trailer and you must park on a hill,
seeTowing a Trailer on page 4-46.
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Page 115 of 474

Mirrors
Manual Rearview Mirror
Adjust the mirror to see clearly behind your vehicle.
Hold the mirror in the center to move it up or down and
side to side. The day/night adjustment lets you adjust the
mirror to avoid glare from the lamps behind you. Move the
lever to the right for nighttime use and to the left for
daytime use.
Vehicles with OnStar
®have three control buttons located
at the bottom of the mirror. See your dealer/retailer for
more information on the system and how to subscribe to
OnStar
®. SeeOnStar®System on page 2-43for more
information on the services OnStar®provides.
Automatic Dimming Rearview Mirror
The vehicle may have an automatic-dimming rearview
mirror with a compass and/or temperature display.
SeeCompass on page 2-40for more information about
the compass display. See “Temperature Display”
after in this section.
Vehicles with OnStar
®have three control buttons
located at the bottom of the mirror. See your
dealer/retailer for more information on the system andhow to subscribe to OnStar
®. SeeOnStar®System on
page 2-43for more information on the services
OnStar
®provides.
O(On/Off):Press to turn the dimming feature on
or off.
TEMP (Temperature):Press to turn the temperature
display on or off.
Automatic Dimming Mirror Operation
Automatic dimming reduces the glare of lights from
behind the vehicle. The dimming feature comes on and
the indicator light illuminates each time the vehicle is
started.
Temperature Display
PressOor depending on the mirror, press TEMP to
turn the temperature display on or off.
To adjust between Fahrenheit and Celsius:
1. Press and hold
Oor depending on the mirror,
press TEMP until either a ashing F or C appears.
2. Press
Oor TEMP again to change the display to
the desired unit of measurement. After
approximately four seconds of inactivity, the new
unit locks in and the display returns.
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Location information about the vehicle is only available
if the GPS satellite signals are unobstructed and
available.
The vehicle must have a working electrical system,
including adequate battery power, for the OnStar
equipment to operate. There are other problems OnStar
cannot control that may prevent OnStar from providing
OnStar service at any particular time or place. Some
examples are damage to important parts of the vehicle
in a crash, hills, tall buildings, tunnels, weather or
wireless phone network congestion.
Your Responsibility
Increase the volume of the radio if the OnStar advisor
cannot be heard. If the light next to the OnStar buttons is
red, the system may not be functioning properly. Press
the OnStar button and request a vehicle diagnostic. If the
light appears clear (no light is appearing), your OnStar
subscription has expired and all services have been
deactivated. Press the OnStar button to conrm that the
OnStar equipment is active.
Universal Home Remote
System
The Universal Home Remote System provides a way to
replace up to three hand-held Radio-Frequency (RF)
transmitters used to activate devices such as garage
door openers, security systems, and home lighting.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation.
This device complies with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
1. This device may not cause interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation of the device.
Changes or modications to this system by other than
an authorized service facility could void authorization to
use this equipment.
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Universal Home Remote
System Operation
(With One Triangular LED)
If there is one triangular Light Emitting Diode (LED)
indicator light above the Universal Home Remote
buttons, follow the instructions below.
This system provides a way to replace up to three
remote control transmitters used to activate devices
such as garage door openers, security systems,
and home automation devices.
Do not use the Universal Home Remote with any
garage door opener that does not have the stop and
reverse feature. This includes any garage door opener
model manufactured before April 1, 1982.Read the instructions completely before attempting to
program the Universal Home Remote. Because of
the steps involved, it may be helpful to have another
person available to assist you in the programming
the Universal Home Remote.
Keep the original hand-held transmitter for use in other
vehicles as well as for future Universal Home Remote
programming. It is also recommended that upon the sale
of the vehicle, the programmed Universal Home Remote
buttons should be erased for security purposes. See
“Erasing Universal Home Remote Buttons” later in this
section.
When programming a garage door, park outside of the
garage. Park directly in line with and facing the garage
door opener motor-head or gate motor-head. Be sure that
people and objects are clear of the garage door or gate
that is being programmed.
It is recommended that a new battery be installed in
your hand-held transmitter for quicker and more
accurate transmission of the radio-frequency signal.
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Programming the Universal Home
Remote System
For questions or help programming the Universal
Home Remote System, call 1-800-355-3515 or go to
www.homelink.com.
Programming a garage door opener involves
time-sensitive actions, so read the entire procedure
before starting. Otherwise, the device will time out and
the procedure will have to be repeated.
To program up to three devices:
1. From inside the vehicle, press and hold down the
two outside buttons at the same time, releasing
only when the Universal Home Remote indicator
light begins to ash, after 20 seconds. This step will
erase the factory settings or all previously
programmed buttons.Do not hold down the buttons for longer than
30 seconds and do not repeat this step to program
the remaining two Universal Home Remote
buttons.
2. Hold the end of your hand-held transmitter about
1 to 3 inches (3 to 8 cm) away from the Universal
Home Remote buttons while keeping the indicator
light in view. The hand-held transmitter was supplied
by the manufacturer of your garage door opener
receiver (motor head unit).
3. At the same time, press and hold both the Universal
Home Remote button to be used to control the
garage door and the hand-held transmitter button.
Do not release the Universal Home Remote
button or the hand-held transmitter button until
Step 4 has been completed.
Some entry gates and garage door openers may
require substitution of Step 3 with the procedure
noted in “Gate Operator and Canadian
Programming” later in this section.
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4. The indicator light on the Universal Home Remote
will ash slowly at rst and then rapidly after
Universal Home Remote successfully receives the
frequency signal from the hand-held transmitter.
Release both buttons.
5. Press and hold the newly-trained Universal Home
Remote button and observe the indicator light.
If the indicator light stays on continuously,
the programming is complete and the garage door
should move when the Universal Home Remote
button is pressed and released. There is no need to
continue programming Steps 6 through 8.
If the Universal Home Remote indicator light blinks
rapidly for two seconds and then turns to a
constant light, continue with the programming
Steps 6 through 8.
It may be helpful to have another person assist with
the remaining steps.6. After Steps 1 through 5 have been completed,
locate inside the garage the garage door opener
receiver (motor-head unit). Locate the “Learn”
or “Smart” button. The name and color of the button
may vary by manufacturer.
7. Firmly press and release the “Learn” or “Smart”
button. After you press this button, you will have
30 seconds to complete Step 8.
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8. Immediately return to the vehicle. Firmly press and
hold the Universal Home Remote button, chosen in
Step 3 to control the garage door, for two seconds,
and then release it. If the garage door does not
move, press and hold the same button a second time
for two seconds, and then release it. Again, if the
door does not move, press and hold the same button
a third time for two seconds, and then release.
The Universal Home Remote should now activate
the garage door.
To program the remaining two Universal Home Remote
buttons, begin with Step 2 of “Programming the
Universal Home Remote System.” Do not repeat Step 1,
as this will erase all previous programming from the
Universal Home Remote buttons.
Gate Operator and Canadian
Programming
If you have questions or need help programming the
Universal Home Remote System, call 1-800-355-3515 or
go to www.homelink.com.
Canadian radio-frequency laws require transmitter
signals to time out or quit after several seconds of
transmission. This may not be long enough for Universal
Home Remote to pick up the signal during programming.
Similarly, some U.S. gate operators are manufactured
to time out in the same manner.If you live in Canada, or you are having difficulty
programming a gate operator or garage door opener by
using the “Programming Universal Home Remote”
procedures, regardless of where you live, replace
Step 3 under “Programming Universal Home Remote”
with the following:
Continue to press and hold the Universal Home Remote
button while you press and release every two seconds
(cycle) the hand-held transmitter button until the
frequency signal has been successfully accepted by the
Universal Home Remote. The Universal Home Remote
indicator light will ash slowly at rst and then rapidly.
Proceed with Step 4 under “Programming Universal
Home Remote” to complete.
Using Universal Home Remote
Press and hold the appropriate Universal Home Remote
button for at least half of a second. The indicator light
will come on while the signal is being transmitted.
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Erasing Universal Home Remote
Buttons
The programmed buttons should be erased when the
vehicle is sold or the lease ends.
To erase all programmed buttons on the Universal
Home Remote device:
1. Press and hold down the two outside buttons until
the indicator light begins to ash, after 20 seconds.
2. Release both buttons.
Reprogramming a Single Universal
Home Remote Button
To reprogram any of the three Universal Home Remote
buttons, repeat the programming instructions earlier in
this section, beginning with Step 2.
For help or information on the Universal Home Remote
System, call the customer assistance phone number
underCustomer Assistance Offices on page 7-6.
Storage Areas
Glove Box
Lift the glove box handle up to open it. Use the key to lock
and unlock the glove box.
Overhead Console
Your vehicle may have this feature. The overhead
console may include reading lamps, a Universal Home
Remote and a sunroof switch. SeeSunroof on
page 2-55andUniversal Home Remote System on
page 2-46for more information.
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