light GMC SIERRA CLASSIC 2007 Service Manual

Page 177 of 674

To adjust between Fahrenheit and Celsius do the
following:
1. Press and hold the on/off button for
approximately four seconds until either a
ashing F or C appears.
2. Press the button again to change the display
to the desired unit of measurement. After
approximately four seconds of inactivity, the
new unit will be locked in and the
compass/temperature display will return.
If an abnormal temperature reading is displayed
for an extended period of time, please consult your
dealer. Under certain circumstances, a delay in
updating the temperature is normal.Automatic Dimming Mirror Operation
The automatic dimming mirror function is turned on
automatically each time the ignition is started.
To operate the automatic dimming mirror, do the
following:
1. Make sure the green indicator light, located to
the left of the on/off button, is lit. If it’s not, press
and hold the on/off button for approximately
six seconds until the green light comes on,
indicating that the mirror is in automatic
dimming mode.
2. Turn off the automatic dimming mirror function
by pressing and holding the on/off button for
approximately six seconds, until the green
indicator light turns off.
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Automatic Dimming Rearview Mirror
with Compass and Temperature
Display
If the vehicle is equipped with an automatic mirror, it
will, when on, automatically dim to the proper level
to minimize glare from lights behind you after dark.
The mirror also includes a display in the upper
right corner of the mirror face. The compass
reading and the outside temperature will both
appear in the display at the same time. The dual
display can be turned on or off by briey
pressing either the TEMP or the COMP button.
Temperature Display
The temperature can be displayed by pressing the
TEMP button. Pressing the TEMP button once
briey, will toggle the temperature reading on and
off. To alternate the temperature reading
between Fahrenheit and Celsius, press and hold
the TEMP button for approximately four seconds
until the display blinks F and C. Press and release
the TEMP button to toggle between the Fahrenheit
and Celsius readings. After approximately four
seconds of inactivity, the display will stop blinking
and display the last selection made.
If an abnormal reading is displayed, for an
extended period of time, please consult your
dealer. Under certain circumstances, a delay in
updating the temperature is normal.
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Automatic Dimming Mirror Operation
The time period you need to press and hold
the TEMP button to turn the automatic dimming
feature on or off is approximately eight seconds.
The indicator light to the left of the TEMP
button will still turn on or off to show you when the
automatic dimming feature is activated. Once
the mirror is turned off, it will remain off until it is
turned back on, or until the vehicle is restarted.
Compass Operation
Press the COMP button once briey to turn the
compass on or off.
When the ignition and the compass feature are
on, the compass will show two character boxes for
approximately two seconds. After two seconds,
the mirror will display the compass heading.
Compass Calibration
The compass may need calibration if one of the
following occurs:
If CAL is displayed while driving in the vehicle.
After approximately ve seconds, the display
does not show a compass heading (N for
North, for example), there may be a strong
magnetic eld interfering with the compass.
Such interference may be caused by a
magnetic antenna mount, magnetic note pad
holder or a similar magnetic item.
The compass does not display the correct
heading and the compass zone variance
is set correctly.
In order to calibrate, CAL must be displayed in the
mirror compass windows. If CAL is not displayed,
push in the COMP button for approximately
eight seconds or until CAL is displayed.
The compass can be calibrated by driving the
vehicle in circles at 5 mph (8 km/h) or less until the
display reads a direction.
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Page 191 of 674

OnStar®Steering Wheel Controls
Your vehicle may be
equipped with a
Talk/Mute button that
can be used to interact
with OnStar
®.
SeeAudio Steering Wheel Controls on page 349
for more information.
When calling into voice mail systems, or to dial
directory numbers, press this button once, wait for
the response, say the number(s) to be dialed,
wait for the number(s) to be repeated and then say
“dial”. See the OnStar
®Owner’s Guide for more
information.
Universal Home Remote
System
Universal Home Remote System
(With Three Round LED)
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.
The FCC Grant of Equipment Authorization
Certicate number is KOBGTE05A.
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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.
The Canadian Registration ID number is
3521A-GTE05A.
Changes or modications to this system by other
than an authorized service facility could void
authorization to use this equipment.
Universal Home Remote System
(With One Triangular LED)
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.
The FCC Grant of Equipment Authorization
Certicate number is CB2OHHL3.
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.
The Canadian Registration ID number is
2791032007A.
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 Three Round LED)
Your vehicle may have the Universal Home Remote
System. If there are three round Light Emitting
Diode (LED) above the Universal Home Remote
System buttons, follow the instructions below. If
there is one triangular LED above the Universal
Home Remote System buttons, follow the
instructions under Universal Home Remote System
Operation (with one triangular LED).
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 lighting.Do not use the this system 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 transmitter. Because of the steps
involved, it may be helpful to have another
person available to assist you in programming the
transmitter.
Be sure to keep the original remote control
transmitter for use in other vehicles, as well as, for
future programming. You only need the original
remote control transmitter for xed code
programming. It is also recommended that upon
the sale or lease termination of the vehicle,
the programmed buttons should be erased for
security purposes. See “Erasing your Universal
Home Remote Buttons” later in this section.
Be sure that people and objects are clear of the
garage door or security device you are
programming. When programming a garage door,
it is advised to park outside of the garage.
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2. Write down the eight to 12 coding switch
settings from left to right. When the switch
is in the up position, write “on,” and when a
switch is in the down position, write “off”.
If a switch is set between the up and down
position, write “middle”.
3. Enter these positions into the Universal Home
Remote System as follows.
Press and release all three buttons at the same
time to put the device into programming mode.4. The indicator light will blink slowly. In order
from left to right, and within two and one-half
minutes, enter each switch setting into the
Universal Home Remote System. Push
one button for each switch as follows:
Left button = “on” switch position.
Right button = “off” switch position.
Middle button = “middle” switch position.
5. After entering the switch settings, press and
release all three buttons at the same time.
The indicator lights will turn on.
Example of Switch SettingsExample
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Page 196 of 674

6. Press and hold the button you would like to
use to control the garage door until the
garage door moves. The indicator light above
the selected button should slowly blink.
You may need to hold the button from ve to
55 seconds.
7. Immediately release the button when the
garage door moves. The indicator light will
blink rapidly until programming is complete.
8. Press and release the button again. The
garage door should move, conrming that
programming is successful and complete.
To program another device such as an additional
garage door opener, a security device, or
home lighting, repeat Steps 1 through 8, choosing
a different function button in Step 7 than what
you used for the garage door opener.Programming Universal Home
Remote — Rolling Code
Rolling code garage door openers are used for
garage doors produced after 1996 and are
code protected. Rolling code means the coded
signal is changed every time your remote control
garage door opener is used.
Programming a rolling code garage door opener
involves time-sensitive actions, so read the
entire procedure before you begin. If you do not
follow these actions, the device will time out
and you will have to repeat the procedure.
Follow these steps to program up to
three channels:
1. Press the two outside buttons at the same
time for one to two seconds, and immediately
release them.
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2. Go to the garage. Locate the garage door
motor head and press and release the
“learn” button.
After pressing the “learn” button, you have
10 to 30 seconds to complete Step 4
depending on your garage control unit. If you
cannot locate the “learn” button, refer to
the owners guide for your garage door opener.3. Press and hold the button you would like to
use to control the garage door until the
garage door moves. The indicator light, above
the selected button, should slowly blink.
You may need to hold the button from ve to
20 seconds.
4. Immediately release the button when the
garage door moves. The indicator light will
blink rapidly until programming is complete.
5. Press and release the button again. The
garage door should move, conrming that
programming is successful and complete.
To program another device such as an additional
garage door opener, a security device, or
home lighting, repeat Steps 1 through 6, choosing
a different function button in Step 4 than what
you used for the garage door opener.
Using Universal Home Remote
Press and hold the appropriate button for at least
half of a second. The indicator light will come
on while the signal is being transmitted.
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Reprogramming Universal Home
Remote Buttons
You can reprogram any of the three buttons by
repeating the instructions.
Erasing Universal Home Remote
Buttons
You should erase the programmed buttons when
you sell the vehicle or terminate your lease.
To erase either rolling code or xed code on the
Universal Home Remote device, do the following:
1. Press and hold the two outside buttons at
the same time for approximately 20 seconds,
until the indicator lights, located directly
above the buttons, begin to blink rapidly.
2. Once the indicator lights begin to blink,
release both buttons. The codes from all
button will be erased.
For additional information on Universal Home
Remote, seeCustomer Assistance Offices
on page 642.
Universal Home
Remote System Operation
(With One Triangular LED)
Your vehicle may have the Universal Home
Remote System. If there is one triangular Light
Emitting Diode (LED) above the Universal
Home Remote buttons, follow the instructions
below. If your vehicle has three round LED above
the Universal Home Remote buttons, follow the
instructions under Universal Home Remote System
Operation (with three round LED).
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.
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