OnStar

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Loss of Control
Let us review what driving experts say about what happens when the three control systems—brakes, steering, and acceleration—do not have enough friction where the tires meet the road to do what the ...

Fuel Information Button
(Fuel Information): Press the fuel information button to scroll through the range, fuel used, average fuel economy, and the engine oil life system. Fuel Range: Press the fuel information button ...

When to Check and Change AutomaticTransmission Fluid
A good time to check your automatic transmission fluid level is when the engine oil is changed. Change the fluid and filter at the intervals listed in Additional Required Services on page 482, and ...