A:AnswerThere is an “Illumination” connection and will dim/brighten based on what your car tells it, such as if the headlights are on it will dim at night.
A:AnswerNo, but you have to connect to your Bluetooth. Some phones will not connect with android auto through your USB cable ,your phone have to be upgraded
A:AnswerI've seen several iPhone users indicate connectivity issues with this unit. My understanding is that you can use a wired connection for your charging needs.
A:AnswerYes it does have a plug on back of the head unit for a sub. Its a single plug labeled subwoofer. U have to get a Y adapter so your 2 RCA cables coming from amp. Plugs into adapter. Then adapter taking it to single plug then to head unit.