See also:

Battery Voltage and Charging Messages
BATTERY SAVER ACTIVE This message displays when the vehicle has detected that the battery voltage is dropping beyond a reasonable point. The battery saver system starts reducing certain features ...

Rear Window Defogger
The rear window defogger uses a warming grid to remove fog or frost from the rear window. (Rear Defogger): Press to turn the rear window defogger on or off. An indicator light below the button ...

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 ...