Buick Regal Owners Manual

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Battery Power Protection
The battery saver feature is designed to protect the vehicle's battery. To prevent battery discharge while driving, the following systems are reduced automatically in two stages and then turned off: ...

Controls
The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. ...

Touch Screen Buttons
Touch screen buttons are on the screen and highlighted when a feature is available. Some screen buttons highlight when active and gray out when inactive. ...