Question about Hyundai Sonata

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I have a 2002 hyundai sonata. I lost my remote, and so when i unlocked the car door with the key the alarm started to go off. I waited until it stopped, but it wouldn't start. so how can i disable it so my car can start?

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I only know 2 different ways and Im not even going to say it will work on a Hyundai it does work on chevys, dodges, and some fords. What you do is manually lock all your doors and then take the key and unlock the passenger door get in the car and reach acrossed and unlock the drivers door manually, then but the key in ignition and start it. If that dont work then disconnect the + battery cable from battery for 10 minutes. Thats how ive allways done it let me no if it works please. Good luck, Kyle

Posted on Oct 10, 2010

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2 Answers

How do I reset the alarm on a 2005 hyundai Santa 2.4l


Not sure about yours, but many will reset by: turn key to "on" and wait 15 minutes or so; shut off, then try to start.

Apr 15, 2016 | Hyundai Cars & Trucks

1 Answer

How do you get a 2004 hyundai sonata to start after new battery was installed causing the alarm to keep going off.


have you tried locking and unlocking the car with the remote. How about locking and unlocking the drivers front door with the key?

Oct 02, 2015 | Hyundai Motor 2004 Sonata

1 Answer

HOW PROGRAM THE KEY LESS ENTRY FOR SONATA 2012


  1. Cars
  2. Car Maintenance
  3. General Car Maintenance
  4. How to Program Keyless Entry Remotes in a Hyundai Sonata
How to Program Keyless Entry Remotes in a Hyundai Sonata By Christian Killian, eHow Contributor
20Found This Helpful The keyless entry system in your Hyundai Sonata is part of the factory alarm system. If you have to replace a lost or damaged remote, reprogramming will be necessary. The remote is important because not only does it lock and unlock the doors, it also arms and disarms that factory alarm when you open or close your car doors. New remotes are available from any Hyundai dealer. While they will program it for you, you can do it yourself and save a programming fee.
How to Program Keyless Entry Remotes in a Hyundai Sonata(Kleophaus Livingston/Demand Media)

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Step 1: Locate the fuse panel under the dash on the driver's side of the car. Just below it is the control module for the factory alarm system. Open the cover on the alarm system control module and locate the memory switch inside.
(Kleophaus Livingston/Demand Media) Step 2: Verify that the switch is in the "Off" position; if it is not, switch it to the "Off" position. This is important for the system to understand what you want it to do when you move to the programming mode.
(Kleophaus Livingston/Demand Media) Sponsored Links
Step 3: Insert the key into the ignition of your Sonata and turn the key to the "On" position. Wait for 60 seconds, then move the memory switch inside the control module to "Set."
(Kleophaus Livingston/Demand Media) Step 4: Depress and hold the "Lock" button on your remote for one full minute. This allows the remote and the control module to communicate and sync. Release the "Lock" button and turn the memory switch in the control module back to the "Off" position.
(Kleophaus Livingston/Demand Media) Step 5: Turn the ignition switch to the "Off" position and test the remote by pressing the "Lock" or "Unlock" button, verifying that the doors do lock or unlock.


Read more : http://www.ehow.com/how_6362326_program-entry-remotes-hyundai-sonata.html

Mar 29, 2015 | Hyundai Sonata Cars & Trucks

1 Answer

When i try to start me 2008 sonata the alarm goes off and the engine will not turn over. what can i do?


Your Sonata is equipped with a "Keyless Entry & Burglar Alarm" system. When the Burglar Alarm is activated, it KILLS the starting system through the used of a relay called the "Burglar Alarm Relay". This mode prevents engine starting with the key.
Solution #1
Disarm the system with the Keyless Remote (key fob) If you don't have this remote (or its battery is dead) replace the battery & try disarming again.
Solution #2
Enter the vehicle & insert the key in the ignition and turn the ignition switch to 'RUN'. Wait 3 to 5 minutes until the alarm stops. You should then be able to start the engine.

Have a qualified/certified Hyundai Service Technician properly diagnose this issue.

Sep 07, 2011 | Hyundai Motor 2004 Sonata

2 Answers

I have a 2003 hyundai sonata and i dont have the remote for the stock alarm. My alarm keeps going off and my car wont start. I bought a new battery and even tried the key in the door still no luck.....


The 2003 Sonata is equipped with a 'starter KILL' burglar alarm system with disables the starting system (using a N/C 'contacts' configuration instead of a N/O contacts configuration). N/C=Normally closed, and N/O=Normally open contacts. When the alarm goes off with a MY Sonata, the only way to DISARM it is with the key fob (remote) originally programmed for it (unless you purchase a new remote & have it programmed for the vehicle at an authorized Hyundai Service Department). NOTE: So long as the keyless entry & burglar alarm system is functioning/operating normally, the alarm will keep going off and the STARTER KILL function will still prevent you from starting the vehicle. One option is left without purchasing a new remote and having it programmed.
1. When the alarm goes off, get into the vehicle and insert the ignition key into the ignition.
2. Turn the key to the 'RUN' position (NOT the ACC position) and wait for the alarm to STOP (usually about 3 to 5 minutes).
3. The engine should then start using the ignition key.

If this procedure doesn't work, the problem will need further diagnosis by a qualified/certified Hyundai Service Technician.

Hope this helps

Aug 27, 2011 | 2003 Hyundai Sonata

1 Answer

2006 hyundai sonata died, we replaced the battery then the alternator and we still can't get it started. I isn't even making a sound as we turn the key


Does it have anti-'theft?. If so, try this. with the key in hand close the doors. Put the key in door lock cylinder. Then lock the car. wait a few seconds (10-15) then unlock the car. Open door and try to start vehicle. You may have to do it 2-3 times. Lock-unlock sequence.

Aug 20, 2010 | 2006 Hyundai Sonata

1 Answer

My 2002 sonata alarm wont shut off and my keyless wont stop it and the car also wont start with the key either


When the alarm is activated, there is an Anti-Theft device (Starter Kill Relay) which prevents anyone from starting the engine using the key (about 5 minutes). If you place the key in the ignition and turn the key to the "RUN" position, wait 5 minutes (approx), the engine should then be able to start. If not, the problem may be the ETACS (Electronic Time & Alarm Control System) module. If it does start, the problem may simply be that the battery in the keyless remote is weak/dead, or the remote needs to be programmed again for that vehicle. Only the remote can 'DEACTIVATE' the alarm. Best solution, take/tow the vehicle into a Hyundai Service Center (dealership), pay the diagnostic fee. They will tell you EXACTLY what the problem is and what's needed to fix it (parts, labor, tax, time-frame, etc.).
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Jun 14, 2009 | Hyundai Motor 2002 Sonata

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