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General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stabil ...

All-Wheel Drive
Transfer Case When to Check and Change Lubricant The transfer case is filled with oil during manufacture, which then does not require changing. It is not necessary to regularly check the transf ...