you have a new car with warranty. try to listen to another car system at the dealer. if you feel there is a difference between your car and another than you need to inform the dealer that you are not satisfied. a dealer does not care about warranty issues. they want to fix the problem and get the customer out of their building. is it your head unit, outboard amp if there is one or speakers? you say something has changed, the dealer says nothing is wrong. who is right?
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