Engine Oil Additives

Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection.

    See also:

    How to Add Automatic TransmissionFluid
    Refer to the Maintenance Schedule to determine what kind of transmission fluid to use. Add fluid only after checking the transmission fluid while it is hot. A cold check is used only as a referenc ...

    Convenience Net
    Your vehicle may have this feature. A convenience net in the rear of your vehicle helps keep small items in place during sharp turns or quick stops and starts. The net is not designed to retain th ...

    Using the Delete All Name Tags Command
    The delete all name tags command deletes all stored phone book name tags and route name tags for OnStar (if present). To use the delete all name tags command: 1. Press and hold for two seconds. ...