Hummer 2009 H2 - Manual (Page 146)

3. Immediately return to your vehicle. Press and hold
the Universal Home Remote button that 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 five to 20 seconds.
4. Immediately, within one second, release the button
when the garage door moves. The indicator light
will blink rapidly until programming is complete.
5. Press and release the same button again.
The garage door should move, confirming
that programming is successful and complete.
To program another Rolling Code device such as
an additional garage door opener, a security device,
or home automation device, repeat Steps 1-5, choosing
a different function button in Step 3 than what you
used for the garage door opener.
If these instructions do not work, you probably
have a Fixed Code garage door opener. Follow the
Programming instructions that follow for a Fixed Code
garage door opener.
Programming Universal Home
Remote — Fixed Code
If you have questions or need help programming the
Universal Home Remote System, call 1-866-572-2728
or go to www.learcar2u.com.
Most garage door openers sold before 1996 are Fixed
Code units.
Programming a 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.
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