GMC Terrain: Gasoline Specifications (U.S. and Canada Only) - Fuel - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: 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 methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives on page 9‑52 for additional information.

    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 ...

    California Fuel Requirements
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel i ...

    See also:

    Steering column
    Never adjust the steering column while the vehicle is in motion. 1. Move the lever fully down to unlock the column. Move the lever fully up to re-lock the column. 2. Move the steering column u ...

    Temperature A, B and C
    The temperature grades A (the highest), B, and C, representing the tire’s resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a ...

    Situations where ACC may not function optimally
    WARNING • The radar sensor has a limited field of vision. In some situations it may detect a vehicle later than expected or not detect other vehicles at all. • If ACC is not functioning pr ...