224 - Automatic Limited Slip Differential
232 - 17" Wheels
498 - Delete Model Designation (Removal of Logo on Rear Trunk Lid)
582 - (Never Heard of this)
981 - All Leather Equipement (E-Brake, Shifter, Dash, etc.)
983 - Leather Seats
00501 - (Never Heard of this)
Check you sticker again you might have written then down incorrectly for 00501, and 582. Check 986faq.com for them!
Hope this helps!