Selecting the Right Engine Oil

Selecting the right engine oil depends on both the proper oil specification and viscosity grade.

See Recommended Fluids and Lubricants on page 11‑12.

    See also:

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box ...

    Older Children
    Older children who have outgrown booster seats should wear the vehicle safety belts. The manufacturer's instructions that come with the booster seat state the weight and height limitations ...

    Engine Oil Additives/Engine Oil Flushes
    Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection. En ...