ok i apoligize in advance i know this info is on one of the fourteen pages but i dont have alot of time before i need to go back to work but.... the retards who installed my d2 didnt hook up the parking break what so ever soo i can only use half the functions on my unit. if you guys could please tell me what i need to do to get all my functions working and possibly working while im driving it would be awesome..... once again sorry i know everyone answers this stupid question all the time.