OnStar

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Finish Care
Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials such as ...

Making a Call
Calls can be made using the following commands. Dial or Call: The dial or call command can be used interchangeably to dial a phone number or a stored name tag. Digit Dial: This command allows a ph ...

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Connect ...