amazon and ebay have a code reader for like 12 bucks and 2 more for shipping or so, its less then 20 bucks, and its reads, and clears codes great.

of if you have a droid phone you can get the torque app, its also reads and clears codes, as well as a sh it load of live data. all for less then 20 bucks.

and read through the how to section, any how to here will give you any short cuts, most have the tools needed too, and have pics. makes it all look easy. way better then a manual. ( and free) at least you have a idea what your in for.