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:

    Exterior
    The Canyon is saddled with an angular headlight brow, borrowed from the Colorado, that forces a more trapezoidal execution of the grille than do standard GMC truckfront ends. Other GMC trucks, inc ...

    When to Change Engine Oil
    This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and miles dr ...

    Brake System Messages
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