1997 GMC Jimmy Owner's Manual - Page 127

Operating the Transmitter Press and hold the appropriate button on the universal transmitter. The red light comes on while the signal is being transmitted. Note that the effective transmission range of the universal transmitter may differ from the hand-held transmitter and from one channel to another. Erasing Channels To erase all three programmed channels, hold down the two outside buttons until the red light begins to flash. Individual channels cannot be erased. but can be reprogrammed using the procedure for programming the transmitter explained earlier. Training a Garage Openerwith a "Rolling Code" Feature If you programmed the universal transmitter. but the garage door will not open. and if your garage door opener was manufactured after 1995, your garage door may have a security feature that changes the "code" of your garage door opener every time it is opened or closed. To determine if your garage door opener has this "rolling code" feature. press the appropriate button on the universal transmitter that was programmed. If the red light tlashes rapidly for one to two seconds, then turns solid, your garage door opener has this feature. To program a garage door opener with the rolling code feature, do the following: 1 . Program your hand-held transmitter to the universal transmitter by following the steps provided under "Programming the Transmitter" earlierin this section. -. Remove the cover panel from the garage door opener 3 receiver. It is located near the garage door opener motor. 3. Locate the training button on the garage door opener receiver. The exact location and color will vary among brands. 4. Press the training button on the garage door opener receiver for one to two seconds. 5. Return to your vehicle and press the programmed button on the universal transmitter until the red light flashes rapidly (about two seconds). 6. Release the button. then repress it to confirm it was programmed to the garage door opener receiver. You may now use either the universal transmitter or the hand-held transmitter to open your garage door. I f you still have difficulty in programming and I :quire assistance. please call 1-800-355-35 15. Accessories Accessories for the universal transmitter are ava.I lable from the manufitcturer of the unit. If you would like additional information. please call 1-800-355-35 15. 2-66