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: Camera Views
Touch the camera view buttons along the bottom of the infotainment display. Front/Rear Standard View : Displays an image of the area in front or behind the vehicle. Touch Front/Rear Standard View on the infotainment display when a camera view is active...
GMC Terrain 2018-2026 Owners Manual: Alerting the Driver
If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, six red lights will flash on the windshield. Either eight beeps will sound from the front, or both sides of the Safety Alert Seat will pulse five times...
Copyright © 2026 www.gmcterrain2.com