See also:

OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data ...

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both cir ...

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 ...