Originally Posted by cova

Seat Selection

If you change seat assignment from seatmap on co.com, then select the next segment - the changed seat will not hold. Only the last change before "continue" will change. Other segments go back to original seat.

Thus, you need to change the seat assignment for one segment, then "continue", the go back to seatmap for the next segment and repeat the "continue", etc.

Previously, selecting the next segment tab, would change the seat.