GMC Terrain: Performance and Maintenance / Fuel (Diesel). E85 or FlexFuel
GMC Terrain 2018-2023 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 2018-2023 Owners Manual: Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Manual Safety Locks If equipped, the safety lock is on the inside edge of the rear doors. To use the safety lock: Move the lever down to the lock position...
GMC Terrain 2018-2023 Owners Manual: Driver Mode Control
The Driver Mode Control has the following Modes: Tour (FWD), All-Wheel Drive (AWD), Snow/Ice, and Tow/Haul. Turn the Driver Mode Control knob on the center console to make a mode selection. Continue turning the knob through the available modes...
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