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 ...

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    Sun Visor
    Sun Visor The sun visors can be pulled down to block glare coming through the windshield, or they can be unhooked and turned to the side to block glare coming through the side window. CAUTION: ...

    Introduction
    You can establish a BluetoothВ® connection to the audio system or to COMAND (see the separate operating instructions). WARNING A driver's attention to the road must always be his/her prim ...

    Replacing headlamp bulbs
    1. Make sure the headlamp control is in the off position. 2. Open the hood. 3. Reach over the front bolster. 4. Remove the bulb by turning it counterclockwise and then pulling it straight out. ...