Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the veh ...

OnStar Additional Information

Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owne ...

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What to Use
Refer to Recommended Fluids and Lubricants   to determine what kind of lubricant to use. ...

General information
Read this section carefully before driving your vehicle off-road. Practice by driving over more gentle off-road terrain first. Familiarize yourself with the characteristics of your vehicle and t ...

Fuses
Engine compartment ...