Key fob no longer locks or unlocks doors.
40

Asked by Eric Aug 22, 2020 at 04:24 PM about the 2013 Hyundai Sonata GLS FWD

Question type: Maintenance & Repair

2013 Sonata. I have two key fobs with new batteries, and neither locks or
unlocks the doors any longer. Unlock makes the headlights flash, lock does
not.  Lock does not make the horn chirping sound like it used to. The trunk
button works, unlocking the trunk. The panic button also works, making the
alarm sound. I can hear a weak mechanical sound coming from the doors
when I press lock, but it doesn't lock. Thanks in advance.

1 Answer
40

Eric answered 4 years ago

My car battery is brand new, and the lights flash when I press unlock on the key fob (but not when I press lock) so I'd think the programming is still ok. The horn sounds very weak also, not sure if that's related. I don't mean the horn when I press the key fob, because the horn doesn't sound when I press anything on the key fob.

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