GMC 2003 Envoy - Manual (Page 113)

e. М the garage door of>ener receiver {mctor-head
gnit) in the garage, lûcale the "Leam" or "Smart'"
butldrt^ This can usually be lûund where the hanging
antenna wire is attached ig the motor-head unit.
7. Firmly press ana release the "Lgam" or "SmarT
button. The rtame and color di Ihe button may
^ary by rngnuraclurer.
You wiN have 30 seconds to start Step B.
B. Return to Ihe vehicle. Frrmly press and hold the
programmed HorneLInk'^ button far two seconds^
then release. Repeat the pross/hofd/release
sequence a sgcond time, and depending on the
brand of the garage door opener [or other rolling
code devica), repeat ibis sequence a third time
to complete the programming,
Home Unit* should now activate your rpIFing code
equipped device.
To program the remaining two HomaLink® bubons,
begin with Step 2 of "Programming HomeUnk®."
Do nol repeal Step t,
Gate Operator and Canadian
Programming
Canadian radpc-frequertcy laws require (fansmrtter
signals to 'lime ouf or quit attar several seconds of
Irarrsmission. This may nol be long enough tor
HcmeLinli*' to pick up the signal during programming.
Similarly, some U.S, gate operators are manufactured to
"lime aur in the same manner.
If you live in Canada, or you are having difficulty
programming a gate operator by using The
“Programming HomeUnk®"' procedures [regardless ol
where you live}, replace Step 3 under "Programming
Home Un k® " with the foltowinp;
Continue to press and hold Iho HomeLink'^' butlon while
you press and release e^^erv lwt> seconds [cycle} your
hand-bgld transmftlef until the Frequency signal has been
successfully accepled by Home Li nk^'^ . The Indicator
tight will flash stowty at first and then rapidly. Proceed
with Step 4 under "Programming HomeUnk®'
lo complete.
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