GMC Terrain: Performance and Maintenance / Driving for Better Fuel Economy

Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible:

  • Set the climate controls to the desired temperature after the engine is started, or turn them off when not required.
  • Avoid fast starts and accelerate smoothly.
  • Brake gradually and avoid abrupt stops.
  • Avoid idling the engine for long periods of time.
  • When road and weather conditions are appropriate, use cruise control.
  • Always follow posted speed limits or drive more slowly when conditions require.
  1. Keep vehicle tires properly inflated.
  2. Combine several trips into a single trip.
  3. Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size.
  4. Follow recommended scheduled maintenance.

    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...

    Diesel Particulate Filter

    The engine is equipped with a Diesel Particulate Filter (DPF) that will filter or trap particulates. The DPF is under the vehicle in the exhaust system...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Hood


    To open the hood: Pull the hood release lever with this symbol on it. It is on the lower left side of the instrument panel between the door and the steering wheel. Go to the front of the vehicle to find the secondary hood release handle...

    GMC Terrain 2018-2025 Owners Manual: Vehicle Data Recording and Privacy


    The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle...

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