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:

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

    Remote Keyless Entry (RKE) System
    The RKE transmitter will work up to 20m (65 ft) away from the vehicle. Press the key release button to extend the key blade. The key can be used for the ignition and all locks. Press to unlock th ...

    Interactive Drive Control System
    The vehicle may have the Interactive Drive Control System (IDCS). IDCS adapts to the driving style and preference of the driver within one of three driving modes: Standard: Use for normal city and ...