GMC Terrain: Recommended Fuel - Fuel - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Recommended Fuel

Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline ...

    Gasoline Specifications (U.S. and Canada Only)
    At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB&-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopen ...

    See also:

    Vehicle information display
    1. Outside temperature 2. Clock 3. Operation indicators and warnings — Trip computer — Cruise control — Settings menu — Intelligent Key operation* 4. Odometer 5. Twin trip od ...

    Map lights
    Map lights Push the light lens to turn the map light on or off. The map light control switch has three positions: ON 1 , DOOR 2 and OFF 3 . The light 4 (if so equipped) will illuminate when t ...

    Type B
    Although this climate control system can be used as a full-automatic climate control system, it can also, if desired, be used as a semi-automatic climate control system. When it is used as a fu ...