no beep when lock is activated

2011 KIA OPTIMA
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BECKIE0915
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what would stop a car from beeping when pressing the lock button from the key fob?
Feb 1, 2015 at 2:57 PM
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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
weak battery, relay or security issue in car
Feb 1, 2015 at 3:33 PM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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I found this information:

Silent Mode: Some vehicles have a feature that allows the lock confirmation beep to be turned off.

We should see if the horn is working can you confirm? If not and the fuses is good I would replace the horn relay itself which go out often. Check out the images (below). Please let us know what happens.
Aug 1, 2024 at 10:31 AM