Do you know what all the knobs and buttons and levers do on the seat? The seat base can usually be slid backwards and forwards to better support the thighs. The seat base can be tilted. The seat’s air suspension can be raised and lowered. The seat’s air suspension often has an adjustable damper. Seats sometimes have adjustable lumbar support and other adjustable air cushions.
Do you know how to adjust the steering wheel up and down, and back and forth?
Are you using cruise control where it’s safe to use it?