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 TPM ...

Control Buttons (Radio with CD and Touchscreen)
A track number displays at the beginning of each track. Song, Artist, and Album information displays when available. The buttons used to control the CD player are: SRCE (Source): Press to select t ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...