[firm]

Originally posted by timgco:

can you use XM radio with the factory antenna?
If so, I'll take one of those too.

... and a back up cammera.
... and the kit to hook into the Onstar
... and a remote start w/ lock/ unlock capability

... and than.

MAKE IT STOP!

Yes you can use the factory antenna, he's the link http://www.crutchfield.com/S-DUfZMAg...arch=12040GM10

Good luck

Found some stuff that might be helpfulpioneer avic d1 install