Editorial Note: This article was written by a paid member of Jerry's editorial team. This is a concern many car owners rely on the key fob for most basic experiences. Test all the lock and unlock buttons to affirm the key fob is appropriately functioning. If you have more than one key fob not working after a battery change, you might be experiencing deprogramming. When the key fob stops working, it quickly becomes an inconvenience to manually lock and unlock the vehicle. For more information on how we collect and use this information, please review our Privacy Policy and Review our Terms. We collect and maintain the personal information of our consumers for our use and our subsidiaries. If the battery is not the problem, then the key fob may be faulty. Well, you can open the key housing and take a closer look at the internals to identify the condition. Our dealership may partner with select retailers and other companies at various times to provide expanded services to our site visitors. Replacing Your Locks: What Is The Best Choice For Your Home? Depending on how often you use the key fob or remote control of your Sonata, the battery should last between two and four years. Step 2: Slide in the key fob inside the opening with the side with the key holder out. After opening the critical fob, look for a circuit board, which exposes the battery when you lift it. After the third step, listen for the car's lock sound, which indicates you have entered the key fob's programming mode. When you change the key fob battery, your car lock might fail to work, not because of the key fob but because the lock is broken and the problem has just surfaced. Most vehicles currently rely on key fobs or electronic car keys to work. Like I said earlier, changing the battery disrupts the regular program of the vehicle. If all spare key fobs fail to function too. Can you fix a key fob not working after a battery change? The lock moves without thoroughly engaging or disengaging. Its common that the buttons on your Hyundai key fob will not last a lifetime and will wear out. If there are other remotes you want to program, this is a significant step. If youve followed the provided steps, then youll face no problem after replacing the battery. Should you configure your browser to decline their use, certain features of our Web sites may not function correctly and you may be required to renter any user IDs and passwords more frequently. Without a visual indicator, you have to use context clues. Your key fob might have other problems that never surfaced until you changed the battery. Press and hold the remotes lock button and turn off the vehicle key. Car key fobs use lithium coin batteries and will last for approximately three to four years.In many modern vehicles, a warning message will appear on your car's digital display when the battery is running out and needs to be changed.. Replace the battery. Certain key combinations can force the onboard computer to reset all key settings. Since Hyundai Sonata is equipped with on-board diagnostics (OBD), a fault diagnosis can provide initial indications of where the malfunction is located. They include: When you change the key fobs battery, great possibilities are the key will reset and will fail to function after that. If this still doesnt work, the next step is to reprogram the key fob. Any time that you replace the battery in your Hyundai keyless remote, you will need to reprogram the system to match your car. The batteries got changed out. After the third step, listen for the cars lock sound, which indicates you have entered the key fobs programming mode. The dealership will be able to reprogram your key fob and restore its working order. This type of damage can be caused by water, blunt force, circuit board scratches, etc. has a great tutorial video on how to access it. Most key fobs will have an indentation or a notch somewhere along the side that can be easily opened with a screwdriver. Keep reading to learn more about these and other causes of key fob failure to work after changing the battery. The battery connector may be broken or have a loose issue that causes a key fob problem. You should consult with an This can be done by removing the battery and holding down the reset button for several seconds. Deprogramming refers to instances where the vehicles onboard computer has been procedurally instructed to remove all existing keys from its access list. These two indications can help you realize the situation quickly. If the battery in your key fob is low, then replacing the battery may be the solution. If your key fob stops working, you can rely on this app. Without a battery or engraving, check your owners manual or look up your cars make, model, year online. If all spare key fobs fail to function too. 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. This will program the other additional remotes. If you have questions concerning this Privacy Policy or the practices of these sites, you may contact us. Third, you will notice a button on the key fob that says either "unlock" or "open." The OBDII connector is usually located under the dashboard. Hyundai i30 Key Battery Replacement Guide - DASH-LIGHTS.COM However, if you find it hard to figure out the actual problem, then just take help from an expert for an appropriate solution. i30 won't start after key fob change - i30 Owners Club Anyone seen this before? Or, if your key fob just stopped working one day out of the blue, in rare cases this could indicate a faulty key fob assuming you have tried everything to fix the issue e.g. Some key fob issues can be resolved, while others necessitate a new key fob. Well, one simple trick you can follow to fix this condition is placing the battery in the right way. California Consumer Privacy Act | If you have any questions or would like to share your thoughts, please leave a contact below. This can be done by a professional mechanic, or you may choose to do it yourself. Our dealership respects the privacy of individuals who visit our Web sites, send us e-mail, or participate in features/services we offer online. If it is, check to see if you can reprogram your key yourself. So, when you change the key fob battery, it can fail to work. Have a look: One of the main reasons you may have problems with your key fob after replacing the battery is placing the battery in the wrong way. Or, when you think its just not your cup of tea, take the key fob to an expert. Our dealership will take reasonable physical, electronic and managerial measures to safeguard and secure any information you provide to us (e.g. Why is my Key Fob not Working after Replacing the Battery? Please remember that, unless otherwise stated, any information that is disclosed in these areas becomes public information and you should exercise caution when deciding to disclose your personal information in these areas. Fulton is an expert insurance writer specializing in car ownership topics from car shopping and loan advice to insurance and repair guides. However, some of the symptoms that may indicate a deprogramming issue are: If you confirm that the problem is due to deprogramming, then taking help from an expert should be the best solution. What type of batteries does my key fob need? Deprogramming can happen as a result of buttons pressed on the remote. Hyundai Sonata key fob not working - causes and how to fix it If all else fails, try resetting the key fob. But the remote key can also stop working due to worn buttons, poor battery contact, water damage, defective key fob, receiver module issues, signal interference, dead 12 volt battery, and unpaired key requiring reprogramming. Sometimes, the battery youre using doesnt have enough of a charge to power the key fob. Unfortunately, the key fob battery can fail to work after replacing the key fob battery. 140 Share 65K views 1 year ago #carvideos #keyfob #cartips Out and about and your key fob won't allow you into your car or you're inside your vehicle and the key fob can't be detected?. has written and edited over 900 high-performing articles for Jerry, with an average of 1 million+ views. Now use the metal key to open the back cover of your Hyundai key. Everything You Need to Know About the Santa Fe Plug-In. Unlike a key with worn buttons, a damaged key will need to be fully replaced. With better performance, less required maintenance, and the ability to be environmentally friendly, it's no wonder that so many people are drawn to the Sante Fe Plug-In, or why Hyundai aims to become carbon-neutral by 2045. The most common reasons your remote key fob isnt working, Why your electric key wont work if your car battery is dead. But key fobs use batteries to function, and at some point, the battery drains. Can you start a Hyundai car Without a Key Fob? With a dead key fob, how do you start a Hyundai vehicle? If you have recently changed the battery in your Hyundai key fob and it is not working, there are a few potential causes of the issue. How To Change Battery In Hyundai Key Fob - Battery Skills Ive been trying to figure out why the cigarette lighter in my car hasnt been working correctly and I think it may be an issue with the fuse, but Im not sure what its labeled as in the fuse boxwhat is a cars cigarette lighter fuse actually called? draws on over 10 years of experience as a professional writer and digital publishing specialist. And if the key fob just stops working immediately after replacing the battery. And to get rid of this annoying condition and to learn more about battery replacement problems, follow this article. Key fobs control almost every activity when you want to run your car. For this reason, you are likely to incur a higher key fob replacement cost if you have a damaged key. The personal data record created through your registration with our Web site can only be accessed with the unique password associated with that record. I recently noticed that my car is making a weird clicking sound when I drive, but only if Im going straight. Keep in mind that key fob programming may require professional tools if you do not have a spare key. If the key fob problem arose from resetting itself after changing the battery, resetting the key fob can fix the problem. As discussed above, the fob might fail to function after changing the key fob battery due to various causes. However, problems arise. In that case, you can follow the section below. Reprogramming your Hyundai's key fob is relatively simple, but the experts at our dealership are always here to assist if you have questions or need help. R.E. When replacing the battery in your key fob, make sure the battery connection is secure. If you just had this type of work done before your key fob started acting up, check for further electrical malfunctions. The remote key may work when youre near the vehicle, but may not work from a distance. Retrieving the battery for replacement is a process that may vary slightly depending on the Hyundai model that you drive, as the key fobs have different designs based on model year. Then pull out circuitboard within FOB. Finally, its possible that the key fob needs to be reprogrammed in order to work with your vehicle. Use spare key: You can try starting your Sonata with its second key. Enter your car and manually lock the door. You can observe this by continuously pressing the button when the button functions after squashing it in a certain way or when one button functions and the other does not. Here weve included step-by-step instructions: Start by opening the key case of your Hyundai key fob; its super easy if youre using a new or recent car. Well, this condition can occur for several reasons, and the best thing is that the problem can easily be fixed. If this is the case, you may need to replace the battery with a higher-voltage one. The car won't start unless I use the fob itself to push the start button. The digital key feature must be enabled on one of the specified Android smartphones in order to unlock and start your Hyundai without a key fob. However, issues develop. Get free useful tips & resources delivered directly to your inbox, United Locksmith is an experienced locksmith company providing excellent & affordable lock & security service nationwide, Mon-Sat: 24 Hours However, this programming method does not work on all vehicles, so you should first consult before trying the process to avoid damaging your vehicles ECU. Remote car key fobs can be damaged by water or by getting dropped or stepped on., Loose or damaged battery terminals inside the remote could cause it to fail.. A car mechanic has more training and supplies to solve general electrical problems. You may need to consult the user manual of your car or the manufacturers website to find the exact location of the reset button. The key can be reprogrammed with an OBDII scanner. Use the end or back of the dead key fob to press the start button while pressing the brake. Accordingly, our policy regarding online privacy has been developed using the following guiding principles: Our dealership maintains a strict "no-spam" policy. Get in your car and lock the door manually. Door locks visibly move without fully engaging or disengaging. The door locks fail to open, whereas the signal light has flashed. If your Sonata 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. In this case, you will have to manually unlock the door of your Sonata with physical key. In these cases an OBDII scan tool can be used to verify if the commands are being transmitted and acted on by the security module. So you will need to reset it. Exposure to excessive water increases the risk of water damage, so you shouldnt make this a habit. Whatever the reason, not being able to use your remote key is a nuisance. If you dont have an additional key fob, youll need to take your Hyundai to a dealership for reprogramming. Test the remote to make sure the fob is now working properly. Copyright 2023 Autos Pair . The hazard lights will flash if the reprogramming was successful. A vehicle has a self-deprogramming or reprogramming procedure. It is possible to accidentally switch your key fob into an unprogrammed secondary key state. Therefore after replacement it may not work, or may not last that long. Look into whether your ultimate problem lies with the key fob or the car. How to Replace a Hyundai Key Battery - DIY - YouTube 5 Reasons Your Car Key Fob Is Not Working After A Battery Change First remove the mechanical key. Check the antenna. The battery will have a specific number that indicates the type of battery your Hyundai's key fob uses. Insert your key into the ignition, and turn it to the accessory position. The key fob won't unlock the car. Batteries Plus Phone Repair. 4. Clean the contacts. Passive means, among other things, that the transponder in the key does not need its own power source. 4 Simple Methods, Locked Keys In Car? If changing the battery doesn't do anything to remedy the problem, there are some other steps you can take. The contacts can wear down, or the buttons can wear so they dont touch the contacts. Its possible that the key fob itself is malfunctioning. Should you Reprogram the Car after Replacing the Battery? As part of such a relationship, we may share with these companies the use of certain interactive Web site functions (i.e. So you will need to replace it. All Rights Reserved. Make sure the battery is facing in the right direction when inserting it. Hyundai key fob not working after battery change is a common issue that many Hyundai owners face. Always verify which batteries you need before buyingits a good idea to bring one of the old batteries with you to the store to ensure you get the right kind. Repeat the process three or four times. Hyundai vehicles are one of a kind in that they may be started using a dead key fob. 13 Ways To Open A Locked Car With Keys Inside, I Locked Myself Out Of My House! Rekeying vs. Your cars key fob might not work after replacing the battery because of various issues like; Luckily, these problems can be solved and get your key fob on track. The best way to tell whether a broken lock is the source of your trouble is to check and see if the remote is working to open or lock one or more doors. Most vehicles nowadays rely on key fobs or electronic car keys to function. If your issues only stem from the housing being damaged, partial replacement may be an option. You can open the remote and align the buttons to generate contact with the circuit, and if it fails, you get another key fob. This information enables us to determine which areas of the Web sites are most frequently visited and helps us to tailor the sites to the needs and interests of our online visitors. This will initiate the reset process and the key fob should start working again. Follow this short video to be able to remove and replace the remote key battery. At the time you register for any such service, you will be notified of, and asked to consent to, the sharing of your information with any particular third party necessary to the provision of the requested service. However, if you are not sure whether the problem is caused by a loose or worn button, follow the steps below to identify it. Why Hyundai Key Fob Not Working After Battery Change? The electronic immobilizer is activated automatically when the vehicle key is removed from the ignition lock. It is always a good idea to test a spare remote and see if whatever issue you are experiencing persists, even with a different key. Other electrical failures that may accompany key fob issues are the car horn now working, lights not turning on, etc. Why is my Hyundai key fob not working after battery change is one of the most common questions weve received lately. If two key fobs have the same problem, the reason for your key fob not working after a battery change is probably not a worn button or contact issue. Privacy Policy | Faulty Battery Connector. Repeat the process three or four times. Press and hold the remotes lock button and turn off the vehicle key. How can I get insurance on the weekend? Make sure youre using the correct type of battery for your key fob. Buttons on a key fob use contacts that send signals to a circuit board when the button is pressed. Insert your key into the ignition and pull it back out six times within a maximum of just 10 seconds. If this doesnt work, you may need to take the key fob out of the car and press the reset button again. However, the spare fob works perfectly. The only setback is that the application is only available on specific Android devices and can be achieved through NFC.So, yes, you can unlock and start Hyundai without a key fob, but you must have the digital key feature on one of the specified android devices. Deprogramming can happen when a certain button sequence is pressed which will send a message to the onboard computer. If you do massage the key out, go ahead and throw it away. Different key fobs use different kinds of batteries and its important to make sure that youre using the correct one for your model. To reprogram the key fob, youll need to have an additional key fob that has already been programmed. As a senior writer on Jerrys editorial team, R.E. Check to see if the locks work without the fob, and, Your key can be deprogrammed if you press the buttons too many times while out of range or if your car battery is disconnected., How to protect your car key fob from theft or damage. Hyundai Sonata has a remote keyless system receiver that receives radio frequency signals from the key fob. Bent - Over time and repeated use, a key can bend. If your vehicle has a deprogramming setting option, the issue of the key fob not working after changing the battery can occur. While panels are removed, wires are exposed. These signs can assist you recognize if the lock has a problem. Most modern vehicles use electronic car keys to operate, but the key fobs use batteries that need replacement after some time. But these problems might not surface until there is a slight change in the key fob. Learn the basics of these key fobs so that whenever a problem arises, and you are in the middle of nowhere, you can solve the problem. Can you start a Hyundai car Without a Key Fob? However, with minimal interference when charging the battery, the buttons cease to function. You can check online or in your owners manual to see if this is a feature your car has. It is important to note that this issue can be caused by a variety of factors, ranging from a low battery or faulty key fob, to a faulty key fob receiver in the Hyundai vehicle. 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. A large part of the radio interference is caused by defects and aging effects in electrical devices and radio systems, which lead to unwanted emissions, radiation and repercussions on power and communication networks.
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