How to remove/install a seat without setting off the airbag warning light:
http://gallery.rennlist.com/gallery/album651/DSCF0153_disclaimer
Have fun.
If you were planning to remove the pass seat every track day simply to save weight and reinstall after the event you may want to reconsider.
A- It really is sort of a pain to do on a regular basis, and dangerous if you install it wrong or strip out your threads leaving you with an insecure seat.
B- There would be no place for your happy PCA National DE Instructor to sit.