OnStar

See also:

TPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs to be matched to a new tire/wheel position after rotating the vehicle’s tires or replacing one or more of the TPMS ...

Cargo Tie-Downs
For vehicles equipped with cargo tie—downs, the four tie-downs are located in the rear compartment of the vehicle. Use the tie-downs to secure small loads. ...

TPMS Malfunction Light and Message
The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire warning light flashes for about one minut ...