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 2018-2026 Owners Manual: Folding the Seatback


    Either side of the seatback can be folded for more cargo space. Fold a seatback only when the vehicle is not moving. Caution Folding a rear seat with the seat belts still fastened may cause damage to the seat or the seat belts. Always unbuckle the seat belts and return them to their normal stowed position before folding a rear seat...

    GMC Terrain 2018-2026 Owners Manual: Remote Vehicle Start


    If equipped, the engine can be started from outside of the vehicle. Starting the Vehicle Press and release on the RKE transmitter. Immediately press and hold for at least four seconds or until the turn signal lamps flash. When the vehicle starts, the parking lamps will turn on...

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