Originally Posted by
schriste
Log into your account using the web application and click the little person icon with your name and points total on the top of the screen. Select My Coupons and then open so you see all your upgrade coupons. There is a header explaining what to do and it includes the number to call which is the Select/Select Plus number.
Wow! You are a rock star. How did you figure this one out? I searched Google, Amtrak forums, Reddit, etc. and never saw this answer. Brilliant.