Boysen
TYF Newbie
So I was looking on line at eBay and they were selling the same gm nav part number that I got and it says that you have to have it programmed for the lux Bose amp. Is this true I just thought that I would need to have it unlocked. Now I have also read and this is where I fall short but that you have to hook up the tech2 download the vehicle info then unplug and use TIS or some thing like that to make the changes and then upload back to the tech2 then on to the vehicle. Am I right or did I miss something. This is all based on what I have read. Please help.
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