See also:

Remote Keyless Entry (RKE) System Operation
The transmitter functions will work up to 20m(65 ft) away from the vehicle. Keep in mind that other conditions, such as those previously stated, can impact the performance of the transmitter. ...

Using the Maintenance Schedule
We at General Motors want to help you keep your vehicle in good working condition. But we do not know exactly how you will drive it. You may drive very short distances only a few times a week. O ...

Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer/retailer first. Some electrical equipment can damage the vehicle and the damage would not be covered by th ...