1999 GMC Jimmy Owner's Manual - Page 135

yellowblue 2. Press the training button on the garage door opener motor head unit. An indicator light will begin to flash when the motor head unit enters the training mode. Note: Following this step, you have 30 seconds to start Step 3. 3. Return to the universal transmitter in your vehicle and firmly press and release the universal transmitter button you have already programmed for two to three seconds. Press and release the button again (you may need to do this step up to three times) to make sure that the universal transmitter has been trained to the garage door opener motor head unit. Check that the training was successful. The motor head unit indicator light should no longer be flashing. The garage door opener should now recognize the universal transmitter. You may either use the universal transmitter or the hand-held transmitter to open the garage door. If after following these instructions, you still have problems training the garage door opener, call the manufacturer of the unit at 1-800-355-3515. Erasing Channels To erase all three programmed channels, hold down the two outside buttons until the indicator light begins to flash (after 20 seconds). Release both buttons. Accessories Accessories for the universal transmitter are available from the manufacturer of the unit. If you would like additional information, please call 1-800-355-3515. 2-71