A/C blinking
#1
#3
Check the belt. It will flash if the belt is slipping. There could be any number of things that causes the A/C light to flash though: low refrigerant, bad compressor, clogged system components, etc.
Basically, you won't really know what's wrong until you take it to a mechanic that you can trust.
Basically, you won't really know what's wrong until you take it to a mechanic that you can trust.