1997 Buick Park Avenue Owner's Manual - Page 114

Outside Power Remote Control Mirror Move the switch below the control to choose the right or left mirror. If you place the switch inthe center position, no movement of the mirror will occur.To adjust the mirror, push the arrow control in the direction you want the mirror to go. Adjust each mirror so you can just see the side of your vehicle and the area behind your vehicle. If your Park Avenue is equipped with the optional memory seat and mirrorsfeature, these mirror positions, along with the driver's seat position can be storedin memory. See "Memory Seat and Mirrors" in the Index. Your Buick has an electric mirror control located on the driver's door armrest.