Oldsmobile 1999 Aurora - Manual (Page 116)

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If you have trouble programming the Universal
Transmitter, make sure that you have followed the
directions exactly as described. The Universal
Transmitter may not work with older garage door
openers that do not meet current Federal Consumer
Safety Standards. If you cannot program the transmitter
after repeated attempts, refer to “Rolling Code
Programming” later in this section or contact the
Universal Transmitter manufacturer at 1
- 800 - 355 - 3515.
Be sure to keep the original hand - held transmitter
in case you need to erase and reprogram the
Universal Transmitter.
Note to Canadian Owners: During programming, the
hand
- held transmitter may automatically stop
transmitting after one or two seconds. In this case, you
should press and re
- press the button on the hand - held
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 Universal Transmitter
Press and release the appropriate button on the Universal
Transmitter. The indicator light comes on while the
signal is being transmitted.
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.
To determine if you have this system, press the button
on the Universal Transmitter that you have programmed
already. If the indicator light on the Universal
Transmitter flashes rapidly for two seconds and 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.