OnStar Services

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Error Messages
If Disc Read Error displays and/or the disc comes out, it could be for one of the following reasons: • The disc has an invalid or unknown format. • The disc is not from a correct region. ...

Ending Cruise Control
There are three ways to end cruise control: • To disengage cruise control, step lightly on the brake pedal; when cruise control disengages, the indicator light will not be lit. • Press ...

Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopen ...