Posted by a reviewer on Amazon

Proseverything fitsquality constructionconsthe dimmer wire tells the head unit when your head lights are on and dims the head units screen but you can not control the brightness of the head unit with the other dash lights

Posted by a reviewer on Amazon

You can adjust the screen brightness on the head unit one setting for day and one for night

Posted by a reviewer on Amazon

I bought this and it was professionally installed by local best buy

Posted by a reviewer on Amazon

It simplified the connection process greatly though and did not interrupt any features in my vehicle

Posted by a reviewer on Amazon

Only missing the radio adapter

Posted by a reviewer on Amazon

I had to pick up switched power from the cigarette lighter and i put in a relay to bypass the reverse signal

Posted by a reviewer on Amazon

Cant figure out how to get the factory auxiliary cable working though

Posted by a reviewer on Amazon

However the instructions wasnt that great