See also:

Driver Information Center (DIC) (Without DIC Buttons)
If your vehicle does not have DIC buttons, the information below explains the operation of this system. The DIC has different displays which can be accessed by pressing the trip odometer reset stem l ...

When to Check and Change Automatic Transmission Fluid
A good time to check the automatic transmission fluid level is when the engine oil is changed. Change the fluid and filter at the intervals listed in Maintenance Schedule on page 11‑3 and be su ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ...