First off, I had a shipping issue where the item I ordered is not what I received. I received a different RAM/ROM version of the correct type head unit, actually the RAM/ROM configuration is not something that Dasaita's website even lists, however it is something sold on Amazon. So, that was strange. But after a few days of emails back and forth from customer service I was able to reach an agreement to keep the incorrectly shipped item at an adjusted price. Now, on to the G12 headunit itself, awesome android based headunit. The wiring harness you get is not quite vehicle specific and you will need to read between the lines to get everything working. Based on the instructions they send, some things will be marked as 'optional' but they mean not used, I do attribute some of these issues to translation problems. But do yourself a favor, read the instructions, look up a youTube video for someone else installing a similar headunit on a vehicle similar to yours, then re-read the instructions, then install. Installation is pretty easy if you have a full understanding of what 'slight' adjustments your vehicle needs. I learned what the unused harnesses were for from the youTube video. It would be nice if Dasaita's instructions mentioned what harnesses were meant to be unused and what they were for. The only other strange issue I found was that there was not a dedicated remote wire for an amplifier and I had to tap an existing auxiliary wire to use as my remote wire. Also, there are not 2 dedicated low level RCAs outputs dedicated for subwoofer input, so you will need a 2 into 1 y cable for your subwoofer input.