quick release

Does anyone have a ford transit with non quick release seats? Does anyone know how to remove them. It seems that all of the YouTube videos I watch the seats have a quick release mechanism. These seats have a plate on the floor and bolts holding the seat in place. I just purchased a used 2018...

Selling several seats recently taken out of a 2017 350. Will entertain all resonable offers, if shipped buyer pays frieght or available for drop off in Orlando - Miami. These seats are in excellent condition. They are soft leather and quick easy release. 1x 3 person bench, $300 3x 2 person...