As far as turning off the srs light look at this video on how to turn it off
http://www.youtube.com/watch?v=4t4ds8ae9tM&feature=autoplay&list=PLC0CFB2ED657C2665&index=8&playnext=2 AS far the check engine light,you can go to your local auto parts store and have them run the codes for you!
I bought a ODB2 scan tool off of ebay for 30 shipped.
If you plan on doing work on your own car it's great investment