Chevrolet Impala 2007 Impala Owner's Manual page 136

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.
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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 five 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, confirming 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 1–8, choosing a
different function button in Step 7 than what you
used for the garage door opener.