i have a 2005 G coupe with the bose sound system....ive read somewhere they come with satellite radio already or something im not sure...what would i need to get to add satiliete radio to my car ? do i need the full 290 dollar PAC kit or just an antenna or what?

 

you need:

sat receiver
sat antenna
wire cover

...and a subscription of course.

http://www.g35parts.com/G35-Sedan-Fa...p/siriushp.htm

you can double check to make sure there is no reciever in your car allready...but i seriously doubt it if you don't have the antenna on top, since that's required to get the signal. To check pull out your trunk mat, spare tire and the black thing that supports the trunk mat. Then look for the silver receiver box on the right. It will have a black harness with a white multi-pin plug connected to it. If you just see the white connector at the end of the harness laying there, you need everything.

 

and don't forget the SAT button on the radio