I installed a Delphi navigation radio in my 07 H3, everything is working fine but the onstar voice is low. Dealer said the it would take a ton of time for them to figure out and couldnt give me a quote, ( just open time). The radio is brand new, so didnt have to go to dealer to have them program it. One person did say to take it to the dealer for them to program it and that might fix it. Any Ideas?
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