Thanks to everybody for their help. I checked out that Matrix link and now have a list of demands to make to my dealer to make sure he fixes it correctly. Don't feel like dealing with this again anytime soon!

Just picked up my 2003 Matrix on Friday, so I haven't even had it for a week. Before I went to sleep last night, I made sure all of the lights in it were off (I'm obsessive about making sure the interior lights & headlights are off because I hate jump starting cars, etc). I got up to get ready f...