GMC Terrain: Performance and Maintenance / Fuel (Diesel). E85 or FlexFuel

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: Seat Entry Memory

The vehicle identifies the number of the current driver’s RKE transmitter (1–8). See Remote Keyless Entry (RKE) System Operation. If the RKE transmitter is 1 or 2, and Seat Entry Memory is programmed on in vehicle personalization, the positions saved to the same memory button number 1 or 2 are automatically recalled when the ignition is turned on, or turned from off to ACC/ACCESSORY...

GMC Terrain 2018-2025 Owners Manual: Securing a Child Restraint Designed for the LATCH System

Warning A child could be seriously injured or killed in a crash if the child restraint is not properly attached to the vehicle using either the LATCH anchors or the vehicle seat belt. Follow the instructions that came with the child restraint and the instructions in this manual...