Received this HotPass info from DirecTV:
This year NASCAR HotPass will feature in addition to the video channels in SD and HD, a separate channel that allows customers to watch the race and listen to 13 teams' radio communications at one channel location.
Normally customers will be able to vote each week at directv.com/hotpass
However, the first race the survey is going out via zoomerang.
Here is the link, please invite your members to vote
http://www.zoomerang.com/survey.zgi?p=WEB227CNKEWVAD
Only 13 can be selected by each voter or their ballot will be spoiled.