Engine Oil Additives/Engine Oil Flushes

GMC Sierra / GMC Sierra Owners Manuals / Vehicle Care / Vehicle Checks / Engine Oil / 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.

Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.

    See also:

    Driver Information Center (DIC)
    The DIC display is located at the bottom of the instrument panel cluster. It shows the status of many vehicle systems and enables access to the personalization menu. The DIC buttons are located on ...

    Dolly Towing (All-Wheel-Drive Vehicles)
    All-wheel-drive vehicles must not be towed with two wheels on the ground. To properly tow these vehicles, they should be placed on a platform trailer with all four wheels off of the ground or dinghy ...

    A Transformative Engine
    You might be thinking, "How can GMC's compact pickup feel like a muscle car?" Well, there's more to it than stuffing a 5.3-liter V-8 under the hood, but that engine goes a long way towar ...