Originally Posted by
Brendan
Oops! I forgot:
5000 DL bonus miles for airport rentals of >= 4 days that start on/ before 31 Dec 2008! Or 2500 for a 3-day rental--combinable with earning Drive Free!

I presume in addition to entering the coupon code one has to put one's DL number in to the rental agreement as well - otherwise how would they know where to post the miles. But nowhere do I see this in the link to the T&C's.