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:

    Exterior Lamp Controls
    The exterior lamps control is located on the instrument panel to the left of the steering wheel. It controls the following systems: • Headlamps • Taillamps • Parking Lamps • License Pla ...

    Engine Air Cleaner/Filter
    See Engine Compartment Overview on page 10‑6 for the location of the engine air cleaner/filter. ...

    Fuel Used
    Press the trip/fuel button until FUEL USED displays. This display shows the number of liters (L) or gallons (gal) of fuel used since the last reset of this menu item. To reset the fuel used informatio ...