Instruments and Controls

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Under the hood
Unique with its all-four-cylinder powertrain, the Buick Regal relies on the excellent horsepower-per-liter ratio of the Ecotec engine family to deliver smart, on-demand performance that is also ve ...

OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling. On some vehicles, you may have to hold the button for a few seconds and give the command †...

Parking Brake
To set the parking brake, hold the regular brake pedal down with your foot and pull up on the parking brake lever located between the seats. If the ignition is on, the brake system warning light ...