2013 Kia Optima Key Fob Battery

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Key Fob Battery Replacement Compatible With Kia Optima

Kia Optima Key Fob Battery Replacement (2011 – 2013)
  • Compatible with Kia Optima, Optima Hybrid, and Optima PHEV key fob remote.
  • Battery included is an original CR2032.
  • Avoid a service appointment for a replacement battery. This is an easy replacement and install.
  • The smart key fob remote is not included. Please refer to your owners manual for battery replacement instructions.

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Software Update Available To Correct Transmission Issues

Reprogramming the transmission control module with the latest Kia transmission software may fix abnormalities in the automatic transmission and erroneous transmission-related Check Engine Light illumination. Software updates are commonly most effective on newer vehicles. Higher mileage vehicles may exhibit a similar symptom caused by a component failure. However, whenever major transmission repairs are performed the transmission software should be checked and updated as necessary.

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Dead Battery In Key Fob

Dead battery is the leading cause of key fob not working in Optima. Usually there are signs of weakening battery before it gives up. If the remote was working previously, but the range of the remote was gradually decreasing until it ceased to function, this indicates that the battery was wearing out.

Use Obd2 Scanner For Diagnosis

Automotive Maxiii Keyless Entry Remote Car Key Fob 4 Button with ...

Since Kia Optima is equipped with on-board diagnostics , a fault diagnosis can provide initial indications of where the malfunction is located. This method will be especially useful when diagnosing a faulty remote keyless system receiver module.

To begin troubleshooting, you must first connect the diagnostic tool to your Optima. The OBDII connector is usually located under the dashboard. With the tool connected, turn on the ignition. Most diagnostic devices then ask for some information about the vehicle. It is important that you enter this 100% correctly, otherwise the result of the search may be inaccurate. In addition to the vehicle make, model, and engine type, you usually also have to type in the Vehicle Identification Number . Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Optima.

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Starting The Engine With Dead Key Fob Battery

If your Optima has push button start/stop feature, your vehicle may not start due to weak key fob battery and a key not detected alert message may be displayed in the instrument cluster. Dont worry, you can still start your vehicle, the immobilizer is controlled by a passive transponder. Passive means, among other things, that the transponder in the key does not need its own power source.

Touch the start/stop button with your key fob and then start the engine. If it doesnt work, then look in the owners manual for exact location of key fob placement, as it may vary depending on model.

What Sort Of Kia Key Fob Do I Have

Before we can dive into the specifics of how to replace the battery in your Kia key fob, we first need to identify the type of fob in relation to your Kia car. The South Korean manufacturer has two types of key fobsthe standard key fob and the Smart Key fob. The latter is exclusively used on Kia vehicles with keyless entry and keyless start functionality.

If youre unsure which key fob you have in your possession, grab your key fob, and let us help. The standard key fob has a small, circular silver button that protrudes on the upper-left corner. When pressed, this button releases the key blade from the side of the fob. Meanwhile, the Kia Smart Keys small rectangular release can be found on the lower backside of this fob.

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No Sound From Speakers

The navigation unit in the Kia Optima may suddenly stop playing audio from all speakers. This includes sound from CD players, radio, navigation, satellite radio, and telephone calls. All other features may still function properly.

This fault requires no parts replacement, and is a software glitch that can be rectified by a ‘hard reset’.

To perform the hard reset, simply disconnect the vehicles negative battery terminal, wait 15 minutes, and reconnect the negative battery terminal.

How To Change Battery In Kia Optima Key Fob

Kia Optima Key Fob Battery Replacement (2006 – 2013)

The KIA Optima key fob or proximity key is a keyless entry system that is powered by one CR2032 battery to allow access to the vehicle. With the key fob or proxy key, you do not require to insert any keys to open the car doors.

The remote keyless system uses a key fob that sends a signal to a receiver in the car to open or shut doors or start the engine.

Which Battery Does KIA Optima Key Fob Use?

The KIA Optima key fob uses the CR2032 battery like most other KIA car models. The CR2032 battery is a lithium-oxide battery that is coin or button-shaped. It has a diameter of 20mm and a thickness of 3.2 mm. It has a voltage of 3.0 volts.

It is a primary non-rechargeable battery that has a typical weight of 3.0 grams. The lithium battery can be operated in varying temperature levels from as low as -300C to as high as 600C without any performance issues.

Where To Buy KIA Optima Replacement Key Fob And Battery

A replacement key fob for KIA Optima as well as the key fob battery can be bought from dealers or online retailers like Amazon. The advantage of buying online is that the cost is relatively cheaper than getting it from the dealer.

However, buying from the dealer has the advantage of having the emergency key cut and the key fob programmed to work in your KIA Optima car. A lock locksmith can cut the key at a minimal fee.

You do not need any specialty tools to change the battery in the KIA Optima key fob.

How To Change Battery in KIA Optima Key Fob?

Final Thoughts

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Water Resistant Not Waterproof

Your Optima key has rubber seals which prevents the water from getting to the electronic chip inside. A splash of water or brief exposure to light rain should be fine, but exposure to excessive amount of water like submerging the key in the pool can cause the water to penetrate the seals and damage the chip. Submerging the key in ocean water at the beach can be much more damaging to key fob electronics due to highly conductive nature of salt water.

How To Change The Battery In A Kia Key Fob

One of the most important aspects of your Kia car isnt even a part of the physical build of the model. The Kia key fob allows easy access to your Kia vehicle when the fob is in working orderbut what happens if the battery needs to be replaced for drivers in Easton, Allentown, and Quakertown, PA?

We here at Brown-Daub Kia have seen it all before, which is why we want to show you how to change the battery in a Kia key fob. Its an easy process, and its one youll keep in mind the next time your key fob needs a closer inspection!

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When Should I Replace My Key Fob Battery

Like other battery-powered devices, the lifespan of a key fob can display warning signs when its beginning to fail. In the case of key fobs, the general life expectancy is between 2 to 3 years for Smart Keys, and 4 to 6 years for standard key fobs.

One of the first signs likely to appear with a weak battery is the gradual loss of range on the fobs transmitter. In other words, youll need to be closer to your Kia vehicle to lock or unlock it. Drivers with keyless entry capabilities may have their Kia car display a message informing them of their low battery life with the Kia Smart Key.

If either of these symptoms occur, it may be time to change your key fob battery sooner rather than later.

For Vehicles With A Starter Button

For 2010 2011 2012 2013 2014 Kia Optima Car Remote Keyless Entry Key ...

There is a chip in the vehicle key. It is used to automatically deactivate the electronic immobilizer when there is a valid remote control vehicle key in the vehicle interior. The electronic immobilizer is automatically activated as soon as there is no valid vehicle key in the vehicle.

The engine can only be started with a genuine vehicle key that is coded correctly. You can obtain coded vehicle keys from an authorized Kia dealer.

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What Do I Need And How Do I Change The Battery

One of the best aspects of the Kias standard and smart key fobs is that they use the same battery. Youll want to look for a single 2032 battery, which you should easily find at any department, automotive, or online store. This battery is shaped like a coin, and is sometimes referred to as a CMOS or coin battery.

Before we dive into the step-by-step replacement guide, the only tool youll need on hand is a standard flathead screwdriver. Ready to dive in and get your key fob back in its regular working condition? Lets dig in.

Faq Frequently Asked Questions

  • Can I program the remote by myself?

    In most cases we recommend to use a local automotive locksmith professional or a local dealership. They would have the programming devices that are required to match your remote key fob to your vehicle. They would also be able to cut the key to fit your door and ignition.

  • Is there an overnight shipping option?

    YES, we certainly do. We can offer discounted UPS, USPS and FedEx for all of our customers starting at $23.50. We also offer a 2-day shipping option via FedEx for only $9.99

  • Are the remotes you sell OEM?

    YES, we sell only Original Equipment Manufacturer remote key fobs that have been refurbished and are in like new condition. It would be difficult to tell the difference between our remotes and brand new remotes

  • Do I have to match my existing remote to the new remote that Im purchasing?

    YES, you must. Many manufacturers offer remotes that have the remote start feature. Only if your vehicle is equipped with the remote start, then you can purchase a key that includes a remote start feature. You must match your existing remote to the remote that you are purchasing.

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I Replaced Timing Belt For 2001 Kia Optima I Set Timing Marks Correct Engine Start Then Stopped Quickly Wierd Sound Battery Ok Starter Ok

  • 1Sit in the vehicle and close all the doors. Insert the key into the ignition.
  • 2Turn the key to the “Off” position then to the “On” position. Repeat this until the door locks cycle to indicate that the programming mode is activated. End with the ignition key in the “On” position.
  • 3Press the “Unlock” or “Lock” button on the programmable remote. Listen for the doors to lock or unlock to verify successful programming.
  • 4Turn the ignition key to the “Off” position. Listen for the door locks to cycle to indicate that you have exited the programming mode.
  • 5Repeat the above steps to add any additional remotes.
  • Lets Welcome Rusty To The Team

    How To Replace A Kia Optima Key Fob Battery 2010 – 2013 FCCID: NYOSEKS-TF10ATX

    The HogWatch team is excited to announce our new partner, the Nascar legend Rusty Wallace! Rusty is a racing icon, public speaker, and member of the the NASCAR Hall of Fame. We are looking forward to partnering with him for events, commercials, and more! Stay tuned for upcoming appearances by Rusty at an event near you.

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    Replace The Battery On The Kia Flip Key

    Battery Size: CR2032 Battery Type

  • Pry open the back cover of the Kia remote.
  • Use a small object to pop out the battery from your Kia remote. Pay close attention to the orientation of the battery. Note the + symbol on the battery.
  • Install a new battery. Make sure the positive is facing you.
  • Push the back cover back into the remote until you hear it snap in place.
  • Once the new battery is replaced, the car should start, and no further programming is required because the vehicle still recognizes the original key without needing any programming. If your Kia doesnt start or turn over the engine after you replace the key fob battery, try jump-starting the vehicle. If the Kia still doesnt start with a jump, check out our guide on diagnosing vehicle problems like a Pro Mechanic.

    Can I Change A Kia Key Battery Myself

    Yes. Replacing the battery in the Kia key fob is easy and takes only five minutes. Make sure you have the correct battery size. Test the keyfob to make sure it works to lock and unlock your Kia. If your Kia key remote doesnt work after replacing the battery, make sure that the battery is not installed upside down.

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    Failure Of Ac Compressor Clutch

    A defective AC compressor clutch assembly can cause excessive noise or vibration when the air conditioning is on. Improved parts are available. Replacing the faulty clutch assembly does not necessitate replacement of the complete AC compressor or evacuation and recharging of the air conditioning system.

    Key Fob Not Working After Replacing The Battery


    When purchasing a new battery for the key fob of your Optima, keep in mind that the battery may be sitting on the shelf for a long time. Therefore after replacement it may not work, or may not last that long. Try purchasing the battery from a store where stock moves fast. If you still cant get the key fob to work after verifying that the battery is healthy, your key fob issues may not be due to bad battery.

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    Kia Key Fob Battery Replacement

    Learn how to change the battery in any Kia key fob. KIA key fobs typically requires a CR2032 battery size. Open up the key fob and verify the battery size used on your Kia key fob.

    The following video shows how to replace the battery in this Kia key fob. If your Kia key is different than what is shown in this video, we have published more how-to videos below.

    This Kia key fob requires a CR2032 Battery.

  • Press on the release tab.
  • Pull out the metal key.
  • Use a flat screwdriver to pry open the case.
  • Remove the old battery.
  • Install new Kia key fob battery.
  • Press the key shell to close.
  • Insert the metal key blade.
  • What To Do In Case Of Water Damage

    If your Optima key fob stopping working after exposure to clean tap water or rain, immediately remove the battery and clean the electronic component with paper towel and let it dry fully before putting back the battery. In case of exposure to salt water, or soapy or dirty water, it is recommended to clean the chip with isopropyl alcohol or electronic cleaner. If the key fob still doesnt work after cleaning and drying, the chip is probably fried and you will have to buy a new key.

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    Simple Steps To Replace The Battery In Your Optima’s Remote Key Fob

    Inside of your key fob installed coin cell battery. Remove any internal key first, and then try to pry apart the keyless entry remote.

    Carefully try to pry apart your fob with pry tools. Remove CR2032 battery with flat head screwdriver.

    Get new battery and install it in keyless entry fob’s shell. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.

    After the new battery installed, check key fob by pressing buttons. If all functions works, assemble your keyless entry fob’s case in reverse order.

    The last thing to do is put your cover back on fob. Gently try to put the pieces in place by hands from top to bottom. Check your key fob shell for gaps. If it is not tightly closed try to repeat last step.

    Why Our Key Services

    Kia Optima Key Fob Battery Replace Troubleshooting Simple Easy!

    Your vehicle gets you reliably where you need to be, but without a working key fob, getting around is a lot more difficult. Some newer vehicles won’t even start without one. Whether youve misplaced your keys, you need a new key cut, your existing fob is damaged, or you just want a spare, have your key fob repaired, re-powered or replaced at Batteries Plus Bulbs.Our experts will help you with a simple battery replacement or give you a whole new keyless entry replacement if yours stops working. Contact us online or come visit a store near you for fast service even without an appointment.

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