Originally Posted by
CorSter
This is a change that came with the new terrible website.
Old website used to let you book any car class for a free day, charging whatever the difference was between the selected class and the midsize rate. New website won't apply the free day "coupon" to anything bigger than a midsize, period.
Edit: didn't realize I was bumping a year old post. sorry!
The iOS provides more capability than the website. You can redeem free days on Premium (and probably Luxury) as well.