Buick Repair Questions? Ask a Mechanic for Answers ASAP
-Could you explain your situation a little more?-What year & model is your Buick ?
Ok, yes I would first check the signal flasher relay.They usually kinda hide them ,I am sending info to help.I would check for voltage at this plug & replace the flasher.
Hazard and Turn Signal Flasher Replacement Removal Procedure
Remove the steering column filler panel.