2002 Chevrolet Express Van Owner's Manual - Page 80

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 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: Operation D Check the distance. You may be too far from your D Check the location. Other vehicles or objects may D Check to determine if battery replacement or transmitter resynchronization is necessary. See the instructions that follow. qualified technician for service. vehicle. You may need to stand closer during rainy or snowy weather. be blocking the signal. Take a few steps to the left or right, hold the transmitter higher, and try again. D If you're still having trouble, see your dealer or a To unlock the driver's door, press the UNLOCK button. If you press this button again within five seconds, all of the doors will unlock. Press the REAR 2X button twice to unlock the rear doors only. When the UNLOCK or REAR 2X button is pressed, the interior dome lamps are turned on for about 40 seconds or until the ignition switch is activated. Press LOCK to lock all doors. 2-9