Engine Oil Additives/Engine Oil Flushes

GMC Acadia / GMC Acadia 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:

    Starting the Vehicle Messages
    FAST IDLE ON If your vehicle has this feature, this message displays when the fast idle feature is on. See Fast Idle System on page 9‑31 for more information. ...

    Retained Accessory Power (RAP)
    These vehicle accessories can be used for up to 10 minutes after the ignition key is turned off: • Audio System • Power Windows • Sunroof (if equipped) Power to the windows and sunroof will ...

    Driving for Better Fuel Economy
    Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. ○ Avoid fast starts and accelerate smoothly. ○ Brake gradually and avoid abrup ...