2003 Oldsmobile Alero Owner's Manual - Page 73

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: e Remote Keyless Entry System Operation If your vehicle has this feature, you can lock and unlock your doors or unlock your trunk from about 3 feet (1 m) up to 30 feet (9 m) away using the remote keyless entry transmitter supplied with your vehicle. 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. Check to determine if battery replacement is necessary. See "Battery Replacement" under Remote Keyless Entry System Operation on page 2-4. e The following functions are available with the keyless entry system: e e If you are still having trouble, see your dealer or a qualified technician for service. (Lock): All doors will automatically lock when this button on the transmitter is pressed. The interior lamps will turn off after all of the doors are closed. If all of the doors are closed, the parking lamps will flash twice and the horn will chirp to indicate locking has occurred. @ 2-4