Sirius Satellite Radio has signed Juan Pablo Montoya, the first F1 driver ever to jump full time into the NASCAR NEXTEL Cup Series.

Juan Pablo Montoya will participate in a weekly interview spot heard only on Sirius NASCAR Radio, starting today, January 29th. Montoya will be heard every Monday on "Sirius Speedway," a talk show hosted by Dave Moody that airs weekdays from 3pm-7pm ET on Sirius NASCAR Radio (ch.128).

Juan Pablo Montoya, is a former Formula One star who will drive the No. 42 Texaco/Havoline Dodge in the NASCAR NEXTEL Cup and NASCAR Busch Series in 2007 for Chip Ganassi Racing with Felix Sabates.

Each week Sirius listeners will get first-hand updates on Montoya's progress, hear his insights into the differences between open-wheel and stock car racing and get his feedback on all the races.