newbie question!

[Eric.B]

Another useful feature is "Replace Model" this will allow you to replace one vehicle with another so you don't have set everything up. Useful for new model years and stuff...

This doesn't work though
It just says "blahblahblah", let's you choose the two car models in question, tantalizes you with a nonexistent text field for price, and then does.... wait for it.... nothing! when you press ok

It worked last time I used it. I'll try it again during my next play through.