1998 GMC Safari Owner's Manual - Page 136

2. Hold the end of hand-held transmitter against the Be sure to keep the original hand-held transmitter the in case you need to erase and reprogram the bottom surfaceof the universal transmitter that so universal transmitter. you can still see the red light. 3. Decide which one of three channels you want the to program. Using both hands, press the hand-held transmitter button and desired button on the the universal transmitter. Continue to hold both buttons through Step 4. Operating the Transmitter Press and hold the appropriate button on the universal transmitter. The red light comes on while the signalis being transmitted. of 4. Hold down both buttons until you see the red light Note that the effective transmission range the universal transmitter may differ from the hand-held on the universal transmitter flash rapidly. rapid The transmitter and from one channel to another. flashing, which could take up to seconds, 90 indicates that the universal transmitter has been Erasing Channels programmed. Release both buttons once the light starts to flash rapidly. To erase all three programmed channels, hold down the two outside buttons until the red light begins to flash. If you have trouble programming the universal Individual channels cannot be erased, can be but transmitter, make sure that you have followed the reprogrammed using the procedure programming the for directions exactly as described and that the battery in the transmitter explained earlier. hand-held transmitter is not dead. you still cannot If program it, rotate thehand-heldoansmitter end over end and try again. 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, consult your GM dealer. 2-52