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.

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    Online Owner Center
    Online Owner Center (United States only) The Owner Center is a resource for your GM ownership needs. Specific vehicle information can be found in one place. The Online Owner Center allows you to: ...

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