[Z06] Horn Chirp
#2
Melting Slicks
AFAIK, the only time it should beep 3 times like that is if you have the passive lock option set (automatically lock the doors on exits) and the fob is still detected inside the car. Sounds like something is messed up since it beeps when opening the door. I would try resetting things by disconnecting the battery for several minutes and see if that will resolve the problem. If not, you may have to take it in for service.
#3
Instructor
My car was doing that when my battery started to go. It wouldn't do it all the time just every once and awhile. Had a few other gremlins go away when I changed battery as well.