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 2018-2023 Owners Manual: Shifting out of Park


    This vehicle is equipped with an electronic transmission. If the vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting - North America. To shift out of P (Park): Ensure the engine is running...

    GMC Terrain 2018-2023 Owners Manual: Customer Satisfaction Procedure


    Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or service departments. Sometimes, however, despite the best intentions of all concerned, misunderstandings can occur...

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