Well, those links are to the instructions on metra's site. Not so hard to believe. I didn't upgrade the firmware in the controller. Went down to the electronics store, bought the metra adapter off the shelf ( who knows how long it was on the shelf for ), read the directions on metra site. Programmed the unit manually and all my buttons work just fine. Oh, I guess you don't have to remove the stock bluetooth box from the trunk. You do need to unplug the harness for it though and splice the wires from the metra instructions .
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