Hm... and you have verified that there is sound coming out of the headphone port on the phone? Do you get sound via FM, AM, XM, etc.?
Get another device that has a headphone port and plug that in to the car. Make sure that there isn't something wrong with the aux port (or worse) in the car.
Sorry if this is too obvious, but try jacking up the volume a) in the car stereo and b) on the LG.Howdy all.
I just bought a new CT EX-L with the navi and am trying to stream Pandora through my LG Ally phone via the AUX port but I get no sound. I took the USB drive our of the second aux port first. Any thoughts?