What to Use

To determine what kind of fluid to use, see Recommended Fluids and Lubricants. Always use the proper fluid.

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    Driving on Wet Roads
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    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

    Performance
    The Regal I tested packs the base engine — a 2.4-liter four-cylinder that's good for 182 horsepower. There's no way around it: This is a sedate engine. You probably won't notice that it lacks po ...