GMC Cadillac XT4 2019 Owner's Manual page 154

programmed button for
five seconds. If the light stays
on or the garage door moves,
programming is complete.
If the indicator light blinks
rapidly for two seconds, then
changes to a solid light and
the garage door does not
move, continue with
programming Steps 4 6.
Learn or Smart Button
4. After completing Steps 1 3,
locate the Learn or Smart button
inside garage on the garage door
opener receiver. The name and
color of the button may vary by
manufacturer.
5. Press and release the Learn or
Smart button. Step 6 must be
completed within 30 seconds of
pressing this button.
6. Inside the vehicle, press and hold
the newly programmed Universal
Remote system button for
two seconds and then release it.
If the garage door does not move
or the lamp on the garage door
opener receiver does not flash,
press and hold the same button
a second time for two seconds,
then release it. Again, if the door
does not move or the garage
door lamp does not flash, press
and hold the same button a third
time for two seconds, then
release it.
The Universal Remote system should
now activate the garage door.
Repeat the process for programming
the two remaining buttons.
Radio Signals for Some Gate
Operators
For questions or programming help
see www.homelink.com/gm.
INSTRUMENTS AND CONTROLS
Some gate operators require
transmitter signals to time out or quit
after several seconds of transmission.
This may not be long enough for the
Universal Remote system to pick up
the signal during programming.
If the programming did not work,
replace Step 2 under Programming
the Universal Remote System with
the following:
Press and hold the Universal Remote
system button while pressing and
releasing the hand-held transmitter
button every two seconds until the
signal has been successfully accepted
by the Universal Remote system. The
Universal Remote system indicator
light will flash slowly at first and then
rapidly. Proceed with Step 3 under
Programming the Universal Remote
System to complete.
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