1998 GMC Safari Owner's Manual - Page 135

This device complies witha t 15 of the FCC Rules. Pr Operation is subject to the following two conditions: (1) this devicemay not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This device complies with RSS-210 Industry Canada. of Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Programming the Transmitter Do not use the transmitter with any garage door opener that does nothave the "stop and reverse" feature. This includes any garage door opener model manufactured before April 1, 1982. Be sure that people and objects are clearthe garage of door you are programming. Your vehicle's engine should be turned while off programming the transmitter. Follow these steps to program upto three channels: 1. If you have previously programmeda universal Changes and modifications this systemby other than to channel, proceed to Step 2. Otherwise, hold down an authorized service facility could void authorization to the two outside buttons on the universal transmitter use this equipment. until the red light begins to flash rapidly (approximately 20 seconds). Then release the buttons. This procedure initializes the memory and erases any previous settings all three channels. for 2-51