See also:

Rainsense™
For vehicles with Rainsense, a sensor located near the top center of the windshield detects the amount of water on the windshield and automatically controls the frequency of the windshield wiper. ...

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 ...

The new beginning
In actuality, the CTS came into its own for the 2008 model year. Totally redesigned, reconfigured and reengineered, the present CTS is paving the way for the future of Cadillac and for the Cadilla ...