Ive been haveing a problem the past few weeks where my security light comes on when the car is hot and then the DRL keep going on and off. How can i check the codes myself,,, i know there is a way i just havent done it in awhile. thanks. its a 2002 ss. with 65k

 

you gotsta get one of those fancy scanner tools from Autozone/ Pepboys, ect. some of those places even do a scan free of charge.