Currently Being ModeratedApr 29, 2011 4:44 PM (in response to karenfromsaint johnsbury)
Currently Being ModeratedJul 4, 2012 10:30 AM (in response to karenfromsaint johnsbury)
Also check in settings 'Sound check' try changing it.
I dont think the Volume Limit in settings can cause this when connected to dock connector, but its easy to try to turn it to max. If that doesnt work try it on another car, or take it to Apple for free check.