Buick LaCrosse: Windows - Windows - Keys, Doors, and Windows - Buick LaCrosse Owners ManualBuick LaCrosse: Windows

WARNING!
Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous.
They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather.

The vehicle aerodynamics are

The vehicle aerodynamics are designed to improve fuel economy performance. This may result in a pulsing sound when a window is partially open. To reduce the sound, open another window or the sunroof (if equipped).

    Windows
    ...

    Power Windows
    Power Windows Press the switch to lower the window. Pull the switch up to raise it. The switches work when the ignition is in ON/RUN or ACC/ACCESSORY, or in Retained Accessory Power (RAP). ...

    See also:

    Daytime running light (if equipped)
    Daytime Running Lights (DRL) can make it easier for others to see the front of your vehicle during the day. DRL can be helpful in many different driving conditions, and it is especially helpful af ...

    Opening
    •► Press the button on the SmartKey. Handle (example: Sedan) •► Sedan: pull handle 1.•► Raise the trunk lid. Wagon: if you pull handle 1 and keep it in this position, ...

    Brake system
    Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some oth ...