2012 Buick LaCrosse Owner Manual - Page 56

2-22 Keys, Doors, and Windows Vent The sunroof has an express-vent open feature. From the closed position, press the rear of the sunroof switch (B) to the first detent to vent the sunroof. To close the sunroof, press the front of the sunroof switch (A) to the second detent. sunshade control (C) or (D). The sunshade cannot be fully closed with the sunroof open. To express-open the sunshade from the closed position, fully press and release the rear of the switch (C). The sunshade opens automatically. To stop the sunshade partway, press the switch a second time. To express-close the sunshade fully press and release the front of the switch (D). The sunshade closes automatically. To stop the sunshade partway, press the switch a second time. Notice: Forcing the sunshade forward of the sliding glass panel may cause damage and the sunroof may not operate properly. Always close the glass panel before closing the sunshade. The sunroof glass panel cannot be opened or closed if the vehicle has an electrical failure. Roof Sunroof Express-Open/Express-Close To express-open the sunroof from the closed or vent position, fully press and release the rear of the switch (B). The sunroof opens automatically. To stop the sunroof partway, press the switch a second time. To express-close the sunroof, fully press and release the front of the switch (A). The sunroof closes automatically. To stop the sunroof partway, press the switch a second time. If the sunshade is closed, it opens automatically with the sunroof but can also be express-opened/ express-closed by using the On vehicles with a sunroof, the switch is located on the overhead console. The sunroof only operates when the ignition is in ON/RUN or ACC/ ACCESSORY, or in Retained Accessory Power (RAP). See Retained Accessory Power (RAP) on page 9‑27.