Buick Regal
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Buick Regal

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Engine Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up.
Plug in the coolant hea ...
Gasoline Octane
Use regular unleaded gasoline with a posted
octane rating of 87 or higher. If the octane rating
is less than 87, you may notice an audible
knocking noise when you drive, commonly referred
to as sp ...
Radio Messages
Calibration Error: The audio system has been
calibrated for the vehicle from the factory. If Calibration
Error displays, it means that the radio has not been
configured properly for the vehicle ...
