GMC Yukon XL Denali 2005 Owner's Manual page 132

Keep the original transmitter for use in other vehicles as
well as for future HomeLink
recommended that upon the sale of the vehicle,
the programmed HomeLink
for security purposes. Refer to "Erasing HomeLink
Buttons" or, for assistance, contact HomeLink
Internet at: www.homelink.com or by calling
1-800-355-3515.
Be sure that people and objects are clear of the garage
door or gate operator you are programming. When
programming a garage door, it is advised to park outside
of the garage.
It is recommended that a new battery be installed in
your hand-held transmitter for quicker and more
accurate transmission of the radio frequency.
Programming HomeLink
Your vehicle's engine should be turned off while
programming the transmitter. Follow these steps to
program up to three channels:
1. Press and hold down the two outside buttons,
releasing only when the indicator light begins to
flash, after 20 seconds. Do not hold down the
buttons for longer than 30 seconds and do not
repeat this step to program a second and/or third
transmitter to the remaining two HomeLink
2-40
®
programming. It is also
®
buttons should be erased
®
®
on the
®
®
buttons.
2. Position the end of your hand-held transmitter
about 1 to 3 inches (3 to 8 cm) away from the
®
HomeLink buttons while keeping the indicator light
in view.
3. Simultaneously press and hold both the desired
®
button on HomeLink
button. Do not release the buttons until Step 4
has been completed.
Some entry gates and garage door openers may
require you to substitute Step 3 with the procedure
noted in "Gate Operator and Canadian
Programming" later in this section.
4. The indicator light will flash slowly at first and then
rapidly after HomeLink
frequency signal from the hand-held transmitter.
Release both buttons.
5. Press and hold the newly-trained HomeLink
and observe the indicator light.
If the indicator light stays on constantly, programming
is complete and your device should activate when the
®
HomeLink button is pressed and released.
To program the remaining two HomeLink
begin with Step 2 under "Programming HomeLink
Do not repeat Step 1 as this will erase all of the
programmed channels.
and the hand-held transmitter
®
successfully receives the
®
button
®
buttons,
®
."