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:

    Front passenger air bag and status light
    Front passenger air bag status light The front passenger air bag is designed to automatically turn OFF under some conditions. Read this section carefully to learn how it operates. Proper ...

    Listening to the radio
    You can also listen to the infotainment system's radio through the RSE system. 1. Switch on the cordless headphones, select CH.A for the left screen or CH.B for the right screen. 2. Point the ...

    Position of the steering wheel when the EASY-ENTRY/EXIT feature is active
    The steering wheel swings upwards when you: remove the SmartKey from the ignition lock open the driver's door and KEYLESS-GO is in position 1 open the driver's door and the SmartKey is ...