# Electronic locks

**URL:** <https://community.cartalk.com/t/electronic-locks/34839>\
**Category:** Maintenance/Repairs\
**Tags:** hyundai, sonata, locks\
**Created:** [August 10, 2009, 4:54pm UTC](https://community.cartalk.com/t/electronic-locks/34839 "2009-08-10T16:54:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![veronagal](https://avatars.discourse-cdn.com/v4/letter/v/c6cbf5/32.png) [@veronagal](https://community.cartalk.com/u/veronagal)\
**Post date:** [August 10, 2009, 4:54pm UTC](https://community.cartalk.com/t/electronic-locks/34839/1 "2009-08-10T16:54:13Z")

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My 2002 Sonata has stopped unlocking with either the remote or the switch on the door. Locks just fine. Brought this up before, someone suggested a new battery in remote. Tried, no go. I think it’s in the switch, but how to get at it? Should I let a willing friend take the door apart?

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**Author:** ![tardis](https://avatars.discourse-cdn.com/v4/letter/t/f0a364/32.png) [@tardis](https://community.cartalk.com/u/tardis)\
**Post date:** [August 10, 2009, 5:16pm UTC](https://community.cartalk.com/t/electronic-locks/34839/2 "2009-08-10T17:16:01Z")

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It sounds like one of the relays in the module that handles the locks has failed. The module will need to be replaced.

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**Author:** ![veronagal](https://avatars.discourse-cdn.com/v4/letter/v/c6cbf5/32.png) [@veronagal](https://community.cartalk.com/u/veronagal)\
**Post date:** [August 10, 2009, 5:20pm UTC](https://community.cartalk.com/t/electronic-locks/34839/3 "2009-08-10T17:20:47Z")

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Is that expensive? Can my friend handle it do you think? (Handy, but not really conversant with car “stuff”) Also have a neighborhood mechanic…would that be a better option? And thanks for the reply!