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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    The Inside
    Like the pricier CTS sedan from sister brand Cadillac, the LaCrosse's dashboard is trimmed in a leather-like material with stitched seams and padded finishes. Ambient lighting pipes across the das ...

    Engine Compartment Fuse Block
    The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. Remove the primary cover by pressing the two locking tabs. Remove the secondary cover b ...

    Engine Coolant Temperature Gage
    This gage shows the engine coolant temperature. If the pointer moves towards the H (United States) or shaded in thermostat symbol area (Canada), the engine is too hot. A temperature indicator l ...