GMC SIERRA DENALI 2002 Manual page 131

If you have trouble programming HomeLink,
make sure that you have followed the directions exactly
as described and that the battery in the hand
transmitter is not weak. If you still cannot program it,
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move the hand held transmitter to the left or right or
forward or backward or flip it upside down. HomeLink
may not work with older garage door openers that do
not meet current Federal Consumer Safety Standards.
If you cannot program the transmitter after repeated
attempts, refer to "Training a Garage Door Opener with
a 'Rolling Code' Feature" next in this section or contact
the manufacturer of HomeLink at 1
or on the internet at www.homelink.com.
Be sure to keep the original hand
case you need to erase and reprogram HomeLink.
2-58
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held
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800 355 3515,
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held transmitter in
Training a Garage Door Opener with a
"Rolling Code" Feature (If Equipped)
If you have not previously programmed the hand
transmitter to HomeLink, see "Programming the
HomeLink Transmitter" listed previously. If you have
completed this programming already, you now need to
train the garage door opener motor head unit to
recognize HomeLink.
1. Find the "Learn" or "Smart" button on the garage
door opener motor head unit. The exact location and
color will vary by garage door opener brand. If you
have difficulty finding the Learn or Smart button,
refer to your garage door opener owner's manual
or contact the manufacturer of HomeLink at
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1 800 355 3515, or on the internet at
www.homelink.com. Because of the steps involved,
it may be helpful to have another person assist in
programming the transmitter.
2. Press the Learn or Smart button on the garage
door opener motor head unit. An indicator light will
begin to flash when the motor head unit enters the
training mode.
Following this step, you have 30 seconds to start Step 3.
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held