2010 Buick Lucerne Owner's Manual - Page 16

Interior Mirror The vehicle has an automatic dimming inside rearview mirror. Automatic dimming reduces the glare of lights from behind the vehicle. The dimming feature comes on and the indicator light illuminates each time the vehicle is started. Press the O button, located on the mirror, to turn the dimming feature and compass on or off. See Automatic Dimming Rearview Mirror on page 3‑33. Steering Wheel Adjustment The lever is located on the left side of the steering column. To adjust the lever: 1. Hold the wheel and pull the lever toward you. 2. Move the steering wheel up or down into a comfortable position. 3. Release the lever to lock the wheel in place. 1-10