driver's seat

Hello, Has anyone else experienced this issue? The video shows the problem at its worst. I found a loose screw on the rail, and while tightening it made the issue happen less frequently, it hasn't gone away completely. I would really like to get this fixed permanently. Any ideas are welcome.

Does anyone else have an issue with the driver's seat being misaligned and not square to the steering wheel? I've noticed mine for over 2 years, and it's getting more and more uncomfortable. Because of the way I'm forced to sit when nested into the back bolster, the bottom left seat bolster is...

This plastic cover on the driver's seat is very sharp and I've cut the back of my leg on it several times. Enough to draw blood. Any way I can soften that edge? Saturday night it got me big time and my shoe was full of blood!!!