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Originally Posted by arent_you_re
The dash display in my buick intermittently flashes all the lights and makes beeping electronic noises, the climate control engages then disengages. It seems like it has a mind of its own. This will happen out of the blue but especially if you are using the windows, or change the radio station, basically use any electronic component.
Recently the signal lights have also stopped working and the heat doesnt engage at all, the beeping and intermittent climate control was bearable but I dont want to drive without signal lights.
I am assuming it is all related, what could be the problem?
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How's the battery condition? I believe, again believe, I read someone with really weird symptoms that were the result of a battery producing voltage lower than the computer systems needed.
Else, be sure the ground cable for the battery on the floor pan is getting a really good ground connection. Check the bolts holding down various fuse blocks to be sure they're tight and giving a good connection.
My bet's on the defective, worn-out battery.