See also:

Reporting safety defects (U.S. only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTS ...

Conditions of operation
...

Bounce-back
When the window is moving upward and an obstacle or a rough road condition interferes with the window’s movement, the window will automatically reverse direction and move down. This is known as ...