GMC 1999 Jimmy Owner's Manual page 134

Be sure to keep the original hand
in case you need to erase and reprogram the
universal transmitter.
Note to Canadian Owners: During programming, the
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hand held transmitter may automatically stop
transmitting after one or two seconds. In this case, you
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should press and re press the button on the hand
transmitter every two seconds without ever releasing the
button on the universal transmitter. Release both buttons
when the indicator light on the universal transmitter
begins to flash rapidly.
Operating the Transmitter
Press and hold the appropriate button on the universal
transmitter. The indicator light comes on while the
signal is being transmitted.
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If the hand held transmitter appears to program the
universal transmitter but does not open your garage door,
and if the garage door opener was manufactured after
1996, the garage door opener may have a "rolling code"
system. A rolling code system changes the code of the
garage door opener every time you open or close the
garage door.
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held transmitter
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held
To determine if you have this system, press the button
on the universal transmitter that you have programmed
already. If the indicator light flashes rapidly for one to
two seconds, then turns solid, the garage door opener
has a rolling code system. In a rolling code system, the
garage door motor head unit must be trained to the
universal transmitter.
Training a Garage Door Opener with a
"Rolling Code" Feature (If Equipped)
If you have not previously programmed the hand
transmitter to the universal transmitter, see
"Programming the Transmitter" listed previously. If you
have completed this programming already, you now
need to train the garage door opener motor head unit to
recognize the universal transmitter. Refer to your garage
door opener owner's manual for the proper transmitter
training procedure for your garage door opener brand.
1. Find the training button on the garage door opener
motor head unit. The exact location and color will
vary by garage door opener brand. If you have
difficulty finding the training button, refer to your
garage door opener owner's manual.
yellowblue
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held