I've been reading you guys coments and tried to get on track, but havn't. I want to learn to tune for that of my personal use and also help my buddies out. As many beginers i have several questions. #1-wat do i need? so far i know i need a lab top, i know i have to buy the program, #2- do i need the scanner to go with it? #3-Do I only need one cable that runs from the labtop to the car?#4 Credits?I dont understand. Can someone help get me clear of the fundementals of tuning, give me something i can work with, like the steps, someone please show me the steps one by one starting on wat to buy and on..... -Bill? give me a hand plz