Engine Oil Additives/Engine Oil Flushes

GMC Terrain / GMC Terrain 2012 Owners Manual / 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:

    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays and a chime may sound when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overh ...

    Door Ajar Messages
    DRIVER DOOR OPEN This message displays and a chime sounds if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstruct ...

    Managing the Vehicle Damage Repair Process
    In the event that the vehicle requires damage repairs, GM recommends that you take an active role in its repair. If you have a pre-determined repair facility of choice, take the vehicle there, or have ...