See also:

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Radio Messages for XM™ Only
See XM Radio Messages later in this section for further detail. ...

Federal Communications Commission(FCC) and Industry and Science Canada
The Tire Pressure Monitor System (TPMS) operates on a radio frequency and complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cau ...