GMC Terrain: Performance and Maintenance / Fuel (Diesel). E85 or FlexFuel

Fuel (Diesel).

Use of diesel fuel with ultra low sulfur content (15 ppm, maximum) is required. See Fuel for Diesel Engines.

E85 or FlexFuel

GMC Terrain. Fuel (Diesel). E85 or FlexFuel

No E85 or FlexFuel

Gasoline-ethanol fuel blends greater than E15 (15% ethanol by volume), such as E85, cannot be used in this vehicle.

    Fuel (LYX - 1.5L L4 Turbo Engine) and Fuel (LTG - 2.0L L4 Turbo Engine)

    Fuel (LYX - 1.5L L4 Turbo Engine) Regular Unleaded Fuel Use only Regular 87 octane — (R+M)/2 — or higher unleaded gasoline in your vehicle. TOP TIER Detergent Gasoline is recommended...

    Engine Oil Life System

    The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: ACC Automatically Disengages


    ACC may automatically disengage and the driver will need to manually apply the brakes to slow the vehicle if: The front camera is blocked or visibility is reduced. The Traction Control System (TCS) or StabiliTrak/ESC system has activated or been disabled...

    GMC Terrain 2018-2023 Owners Manual: Setting the 3/4 Mode


    To change the position the liftgate stops at when opening: Select MAX or 3/4 mode and power open the liftgate. Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed...

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