GMC Terrain: Performance and Maintenance / Fuel (LYX - 1.5L L4 Turbo Engine) and Fuel (LTG - 2.0L L4 Turbo Engine)

GMC Terrain 2018-2026 Owners Manual / In Brief / Performance and Maintenance / Fuel (LYX - 1.5L L4 Turbo Engine) and Fuel (LTG - 2.0L L4 Turbo Engine)

Fuel (LYX - 1.5L L4 Turbo Engine)

GMC Terrain. Fuel (LYX - 1.5L L4 Turbo Engine) and Fuel (LTG - 2.0L 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. Do not use gasoline with an octane rating lower as it will result in reduced performance and lower fuel economy. See Recommended Fuel (LYX - 1.5L L4 Turbo Engine) or Recommended Fuel (LTG - 2.0L L4 Turbo Engine).

Fuel (LTG - 2.0L L4 Turbo Engine)

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

Premium Recommended

Use premium 93 octane — (R+M)/2 — unleaded gasoline in your vehicle. TOP TIER Detergent Gasoline is recommended. Unleaded gasoline with an octane rating as low as 87 may be used, but it will reduce performance and fuel economy.

See Recommended Fuel (LYX - 1.5L L4 Turbo Engine) or Recommended Fuel (LTG - 2.0L L4 Turbo Engine).

    Tire Pressure Monitor

    This vehicle may have a Tire Pressure Monitor System (TPMS). The low tire pressure warning light alerts to a significant loss in pressure of one of the vehicle's tires...

    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...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Brake Assist and Hill Start Assist (HSA)


    Brake Assist The Brake Assist feature is designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brake control module to supplement the power brake system under conditions where the driver has quickly and forcefully applied the brake pedal in an attempt to quickly stop or slow down the vehicl..

    GMC Terrain 2018-2026 Owners Manual: Lumbar Adjustment and Reclining Seatbacks


    Lumbar Adjustment If equipped, press and hold the front or rear of the control to increase or decrease lumbar support. Reclining Seatbacks Warning Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the seat belts cannot do their job. The shoulder belt will not be against your body. Instead, it will be in front of you. In a crash, you coul..

    Copyright © 2026 www.gmcterrain2.com