If you want to buy the paper copy, call or email Fichtner Chevy at 800-234-5284 or parts@fichtnerchevrolet.com
If you want the computerized version on your computer, check out
this thread if you and your computer are capable enough to get it for free, or
this one to buy the DVD's for $17.
I registered on CAC just so I could buy the $17 DVD, then installed it on my Vista desktop and my Win 7 laptop, so it does work, it's just a tad hard to find some of the items because of the way GM names things
