See also:

OnStar®
OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services. ...

Fuel Information Button
(Fuel Information): Press the fuel information button to scroll through the range, fuel used, average fuel economy, and the engine oil life system. Fuel Range: Press the fuel information button ...

Under the Hood
The base engine in the Regal is a 2.4-liter four-cylinder that makes 182 horsepower. Buyers looking for more power can select the optional turbocharged 2.0-liter four-cylinder that's rated at 220 ...