CHEVROLET Tahoe - Manual (Page 185)

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 below for a Fixed
Code garage door opener.
Programming Universal Home
Remote — Fixed Code
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.
185