GMC Terrain: Performance and Maintenance / Fuel (Diesel). E85 or FlexFuel
GMC Terrain 2018-2025 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 2018-2025 Owners Manual: Connections
The following services help with staying connected. For coverage maps, see www.onstar.com (U.S.) or www.onstar.ca (Canada). Ensuring Security Change the default passwords for the Wi-Fi hotspot and myGMC mobile application. Make these passwords different from each other and use a combination of letters, numbers, and symbols to increase the security...
GMC Terrain 2018-2025 Owners Manual: Windows
Warning Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. The vehicle aerodynamics are designed to improve fuel economy performance...
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