2005 Chevrolet Impala Owner's Manual - Page 80

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: Remote Keyless Entry System Operation The vehicle's doors can be locked and unlocked, and the trunk can be unlatched from about 3 feet (1 m) up to 65 feet (20 m) away with the remote keyless entry transmitter. If your vehicle has the remote start feature you can also start your vehicle with the remote keyless entry transmitter. Your remote keyless entry transmitter, with the remote start button, provides an increased range of 195 feet (60 m) away. However, the range may be less while the vehicle is running. As a result, you may need to be closer to your vehicle to turn it off than you were to turn it on. There are other conditions which can affect the performance of the transmitter. See Remote Keyless Entry System on page 2-3. • 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 or resynchronization is necessary. See "Battery Replacement" and "Resynchronization" under Remote Keyless Entry System Operation on page 2-4. • If you are still having trouble, see your dealer or a qualified technician for service. 2-4