Where is outside air button on 08 Buick Lacrosse?

In the 2008 Buick Lacrosse, the outside air button is typically located on the climate control panel. It may be labeled as "Air Recirculation" or have an icon depicting a car with an arrow indicating airflow. Pressing this button switches between outside air intake and recirculated air from the cabin. Check your owner's manual for the exact location and functionality specific to your vehicle.