1998 GMC Suburban Owner's Manual - Page 84

Keyless Entry System Equipped) (If If your vehicle has this option, you can lock and unlock your doors or your tailgate from about 3 feet ( I 111) up to 30 feet (9 In) away using the keyless entry transmitter supplied with your vehicle. Your interior lamps will be illuminated for a set period of time when the transmitter signal is received by the Keyless Entry System. In addition, your vehicle's horn will chirp if you press the LOCK button twice?to let you know that the doors have locked. Your keyless entry system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry and Science Canada. This device complieswith Part 15 of the FCC Rules. Operation is subject to the following twQconditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received. including interference that may cause undesired operation. This devicecomplies with RSS-2 10 of Industry and Science Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference received, including interference that may cause undesired operation of the device. Changes or modifications to this system oy other than an authorized service facility could void authorization to use this equipment. This system has a range of about 3 feet (1 m) up to 30 feet (9 m). At times you may notice a decrease in range. This is normal for any remote keyless entry system. If the transmitter does not work or if you have to stand closer to your vehicle for the transmitter to work, try this: Check to determine if battery replacement or transmitter resynchronization is necessary. See the instructions that follow. Check the distance. You may be too far from your vehicle. You may need to stand closer during rainy or snowy weather. Check the location. Other vehicles or objects may be blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again. If you're still having trouble, see your dealer or a qualified technician for service. 2-6