Originally Posted by zhouzitao
Ok, I went to my dealer today they told me about the same price. But he keep warning me that if something go wrong during the upgrade(suck as radio or nav not working) I have to pay for the fix. He said we never know whats going to happen during the upgrade LOL...
I just had the upgrade done at an independent and he used an Autologic system that apparently can upgrade the DME only and not alter other modules (nav, radio). It cost me about $100.