Buick LaCrosse: Programming the Power 
Windows - Power Windows - Windows - Keys, Doors, and Windows - Buick LaCrosse Owners ManualBuick LaCrosse: Programming the Power Windows

If the battery on the vehicle has been recharged, disconnected, or is not working, you will need to reprogram each front power window for the express-up feature to work.

Before reprogramming, replace or recharge the vehicle's battery.

To program each front window:

1. With the ignition in ON/RUN or ACC/ACCESSORY, or in Retained Accessory Power (RAP), close all doors.

2. Press and hold the power window switch until the window is fully open.

3. Pull the power window switch up until the window is fully closed.

4. Continue holding the switch up for approximately two seconds after the window is completely closed.

The window is now reprogrammed.

Repeat the process for the other windows.

    Rear Window Lockout
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    Sun Visors
    Sun Visors Pull the sun visor down to block glare. Detach the sun visor from the center mount to pivot to the side window, or to extend along the rod, if available. ...

    See also:

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    Important safety notes
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    Explanation of general maintenance items
    Additional information on the following items with “ * ”is found later in this section. Outside the vehicle The maintenance items listed here should be performed from time to time, unless othe ...