How do I find trouble codes for my buick skylark ?

what is the procedure for identifying trouble codes for my '93 Buick Skylark custom?How do I find trouble codes for my buick skylark ?Take it to any mechanic shop and ask them to Run An OBD-II Diagnostic Scan on it. Once They Do This, They Will Be Able To Identify The Codes Themselves using some form of ALL DATA Software.How do I find trouble codes for my buick skylark ?I would go to auto parts store and buy manual for your car,read it and follow the procedures for attaining the codes and look them up in the manualHow do I find trouble codes for my buick skylark ?http://www.trishield.com/Directory/troublecodes.shtml, go here this should help