Originally Posted by kcnwa

Today, already having done an OLCI, I reprinted my BP from a Self Service Kiosk at DTW and noticed the new, exciting button allowing me to change my seat! I pressed and sure enough it brought up a seat map.

Previously, I had found out you could do this via simply re-doing OLCI. However, that didn't seem as official as this. Thanks NWA!

Sidenote: My BP had the masked WP number when printed out at the SSD. It had the full number when I printed my BP via OLCI.