TRIGG3R12

Hey all, i have a 05' RX-8 Shinka. About a week ago I subscribed to sirius. well i was listening to it on my way to work yesterday, and when i got out of work i jumped in my car and started it up, and nothing was playin, well i hit the FM button, radio plays fine....i go to hit the SAT button, but it doesnt change or anything....same if i use the MODE button on my steeringwheel, it changes through everything but the Sirius.

Anyone have any ideas? i looked around a bit but i cant find anything that has to do with it.

thanks