Buick Repair Questions? Ask a Mechanic for Answers ASAP
I am sorry that you have not been helped yet. I just came online and saw your question
Ok, first, I cannot see what Q&A session from the past you are referring to. You would need to copy and paste a link to the question for me.
Second, if you have not done so yet, you need to have computer scanned for fault codes and then post them here. You can go by any major parts store and they will scan it for fault codes for free and then you can post them here. They will be Pxxxx codes - example, P0420
With over 500 fault codes, it is impossible to know which one is setting the warning lights.