2001 GMC Sierra 1500 Pickup Owner's Manual - Page 93

Keyless Entry System (If Equipped) If your vehicle has this feature, you can lock and unlock your doors from about 3 feet (1 m) up to 100 feet (30 m) away using the remote keyless entry transmitter supplied with your vehicle. Your keyless entry system operates on a radio frequency subject to Federal Communications Commission (FCC) Rules and with Industry Canada. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (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 device complies with RSS-210 of Industry 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 by other than an authorized service facility could void authorization to use this equipment. At times you may notice a decrease in range. This is normal for any remote system. If the transmitter does not work or if you have to stand closer to your vehicle for the transmitter to work, try this: D Check the distance. You may be too far from your vehicle. You may need to stand closer during rainy or snowy weather. blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again. D Check the location. Other vehicles or objects may be D Check to determine if battery replacement or resynchronization is necessary. See the instructions that follow. qualified technician for service. D If you're still having trouble, see your dealer or a Operation UNLOCK: Pressing this button once will unlock the driver's door. The parking lamps will flash and the interior lights will come on. Pressing UNLOCK again within three seconds will cause the remaining doors to unlock. The parking lamps will flash and the interior lights will come on. 2-10