Quote Originally Posted by cbn4000 View Post
It seems when my sunroof is open all the way back I get really crappy XM reception (tho the reception isn't all that great when the sunroof is closed either). When I look at the antenna it is partially covered by the sunroof. Does anyone else have this problem? Would an aftermarket antenna help? If so, any suggestions for a aftermarket?
By "reception" do you mean that the sound keeps cutting in and out? Or do you mean that it sounds bad? It's a digital signal, so it's not like FM where you can get varying sound quality; either you get the signal or you don't.

If it's cutting in and out, did it just suddenly start doing this, or has it always done it? As offroadfury says, sometimes you just can't see the satellite.