I HAVE A 2004 BUICK RAINIER AND I GOT AN GM NAVIGATION RADIO INSTALLED THE DISPLAY WORKS, AND THE CD ALSO WORKS IT VER 1.0 FOR NOW, I'M GOING TO UP GRADE, BUT THE PROBLEM IS THERE IS NO SOUND FROM THE RADIO, I HAVE NO OPTION Y91 0R Y92, IS THERE ANY WAY I CAN GET THE SOUND PLAYING WITH OUT HAVING TO SPEND ANYMORE OF MY MONEY. ,
OR DO ANYONE OUT THERE WHO HAS A NON LUX NAVIGATION UNIT , WOULD LIKE TO TRADE FOR A LUX NAVIGATION.