OnStar Services

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Tire and Loading Information Label
Label Examp A vehicle-specific Tire and Loading Information label is attached to the vehicle's center pillar (B-pillar). With the driver door open, the label is attached near the door lock po ...

MP3/WMA Format
The Single CD and the Six-Disc CD Radio will play MP3/WMA files that were recorded on a CD–R or CD–RW disc. The HDD Radio can also play MP3/WMA files recorded on DVD+/-R discs or stored on a ...

Using the Tire Sealant and Compressor Kit to Temporarily Seal and Inflate a Punctured Tire
Follow the directions closely for correct sealant usage. When using the tire sealant and compressor kit during cold temperatures, warm the kit in a heated environment for five minutes. This will ...