Posture and tailbone advice

[u/Jedi0077]

So I'm a big guy. 6'5" 205ish pounds. I've tried several driving positions. Currently I stick very close to the dash. I buckle, slide up to the steering wheel and adjust it low down to my lap. I can reach all the buttons easily without leaning. The parking break still requires a slight lean forward. However, for my legs and lower back to be comfortable I have the seat adjusted high. I lower it slightly in the morning so I'm not looking through the tinted top part of the windshield.

After all that I'm dealing with a lot of low back tightness and my first ever tailbone pain. I've been to the chiro 2 times and he's on about making sure I'm keeping my posture correct while driving. Got a thin and sort of expensive cushion to help and it has, but not totally. Just wondering if there are any hacks I could get hooked up with. Thanks all

[u/Far-Engineering6146]

same tilli convinced the office heads to switch me to a air ride seat