Question about 2009 Hyundai Elantra

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Hyundai i30 ignition switch

Hi there! You have already helped me and in that case was so helpful. Thanks again. Now I have an interesting problem with my 2009 Hyundai i30. As normally when I take out the key from the ignition switch a small something inside clicking and the exterior lights switch off, the interior lights turn on and the doors are unlocked. But nowadays in colder weather e.g. at night there is nothing special the ign. switch works well but on hot days with a hot car interior when I take out the key the switch doesn’t click so the mentioned functions (lights, locks…) don’t work. After some reply in inserting and taking off the key again the switch is clicking and the functions are ok. What is your opinion? (I checked the ignition switch and that’s a Hyundai-Kia common part)


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  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Hyundai 2002 sonata,,,, car has power locks.

You are correct in your assumption about a relay... there are two relays. One is for 'LOCKING' the other is for 'UN-LOCKING.' They are both labeled as "LOCK" relays (1 & 2). You can verify if a relay is bad by swapping one with the other. If the problem moves to 'unlocking' the doors, but will NOW LOCK - the relay is bad. If not, further troubleshooting is necessary.
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Posted on Jun 07, 2009

  • 2 Answers

SOURCE: key won't turn over wont take a jump easily starts popping clutch

Does your alarm system act up, resulting in it not starting???

Posted on Feb 01, 2009

  • 1280 Answers

SOURCE: 2004 Hyundai Sonata door lock functions inoperable.

you have a bad relay.. the 'lock' relay.

Posted on Sep 23, 2009

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SOURCE: 2009 Hyundai Sonata-clicking noise at brake pedal,brakes applied

This is not a rich mans car so its normal. Your hearing the solinod that lets you take the car out of park after the brake is depressed so the car can't be put in gear unless the brake is on. If the noise bothers you the soliniod can be found and wrapped in insulation like a rich mans car them you can ride on feeling like a rich man too. ( the Beatles sang that a long time ago) and its still true today.

Posted on Oct 14, 2009

Testimonial: "Thanks. Dealer hasn't been helpful. I'll see how far I can go before I run out of patiencs."

  • 1280 Answers

SOURCE: Good Day 2002 Hyundai Sonata

The door lock/unlock relays are under the dash in the I/P (Instrument Panel) junction box. since you 'hear' the relay CLICK, but nothing happens (no functions), seems to me you need a technician to diagnose/ troubleshoot the problem.. would you agree? If not, you could Go to and register( Vehicle by VIN). Afterward, you have access to shop manuals, service bulletins, wiring diagrams, etc. about your vehicle.

Posted on Oct 19, 2009

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