GMC Terrain: Performance and Maintenance / Fuel (Diesel). E85 or FlexFuel
GMC Terrain 2018-2026 Owners Manual / In Brief / 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
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 2018-2026 Owners Manual: Air Vents
Use the louvers located on the air vents to change the direction of the airflow. To open or close off the airflow: On the center air vents, move the slider knobs up or down. On the outer and rear air vents, move the slider knobs right or left...
GMC Terrain 2018-2026 Owners Manual: Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is started. If it does not, have the vehicle serviced by your dealer...
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