The battery in your Hyundai key fob is simple to change. A replacement CR 2032 3V battery is all that is required. They typically cost between $3 and $5 for a pack of 5. Wearing latex gloves is advised because you will be contacting a motherboard during this process, which could result in unintended harm.
- Remove the emergency key from the fob’s base.
- Between the release button and the key slot, insert the key.
- Turn the key until the fob pops open as if you were unlocking a door.
- Open the fob while facing the buttons downward (otherwise they will fall out).
- Remove the barrier and motherboard, then set aside the button-side of the fob.
- Remove the dead battery from its mount using the key.
- Place the + side of the new battery in its bracket.
- Replace the fob’s button-half, motherboard, and barrier.
- Set the release button peg in the appropriate hole.
- Reassemble the fob with a snap.
You’re done now! Press any button to put your Hyundai Smart Key to the test. If all was done correctly, a tiny red light should flash over the unlock button.
In This Article...
What kind of battery does a key fob for a Hyundai Sonata require?
A CR2032 battery powers the majority of Hyundai key fobs. Once you have a new Hyundai key fob replacement battery in your possession, insert it into your key fob exactly where the old one was. Check to see if the battery is in contact with each connection.
How is a Hyundai key fob programmed?
- As soon as you get inside your Hyundai, check that all the doors are closed.
- Put your Hyundai’s ignition in the “ACC” (accessory) position using your key.
- Keep pressing the “open” or “unlock” button on the key fob until the light on your car starts to flash.
- Congratulations
Why won’t my key fob operate now that the battery has been changed?
A dead battery is the most frequent cause of a key fob not functioning. Having said that, your keyfob might be having more serious issues. You might require a key fob replacement or perhaps auto door lock repair if your key fob stops operating after a battery change.
After changing the battery, does the key fob need to be reprogrammed?
After changing the battery, you typically do not need to reconfigure the key fob. However, you might need to reprogramme it by re-pairing it with your vehicle if you’ve replaced not only the batteries but also some of the internal cabling and electronics.
What symptoms indicate a low key fob battery?
What symptoms indicate a weak fob battery? The transmitter’s range decreases as the fob battery gets weaker. This implies that for the key fob to operate, you must be close to the vehicle. When a smart key fob is in your pocket or handbag for automobiles with push-button starts, the car might not always detect it if the battery is low.
What does the Hyundai key fob’s hold button do?
What does auto hold accomplish? It prevents your automobile from rolling away accidently when it is moving or stopped, thanks to the ABS/ESC hydraulic unit.
How much does a new Hyundai key fob cost?
It’s more likely that you will be allowed to utilize an aftermarket key fob if your automobile is at least ten years old, according to CR’s Ibbotson. Many of these less sophisticated fobs can be configured by the consumer, a local technician, or an automotive locksmith.
Ibbotson advises making sure to phone your neighborhood garage first to confirm that they can do the task, as key-fob programming equipment levels can vary from shop to shop. For instance, a Maryland-based repair shop called Murray’s Auto Clinics informed CR that they are unable to program key fobs for any vehicle with push-button start or keyless entry.
We took our vehicle to M.J. Sullivan Hyundai in New London, Connecticut, where we were charged $120 for programming (one hour of labor), which is what they would have charged us if we had purchased the key fob from them.
Hyundai sent us a laser-cut mechanical backup key for $72.47, bringing the total cost to $272.42 (the car waited at the shop for two days); if we had ordered the key fob through the store, the total would have been $428.92).
For some makes and models, you can purchase a cheap aftermarket fob and program it yourself if your home unexpectedly gains a third driver, such as a teenager.
We purchased a fob from BestKeys from Amazon for CR’s 2008 Chrysler Town & Country minivan. Although it lacks the Chrysler branding on the back, it resembles the two original fobs that came with the minivan when it was new. The uncut mechanical key and internal circuitry were both included in the $14.30 price. (However, we didn’t see the need to shell out the cash to have a locksmith cut that third key.)
Chrysler customers can program a third key fob themselves if they already have two functional ones, just like GM owners can. The owner’s manual contains clear and straightforward programming instructions.
What is the price of a new key fob battery?
These batteries typically cost $10 or less, however some fobs need two. Since it just takes a few seconds, battery specialists and dealers frequently replace the batteries for free.
Can a key fob with a low battery prevent a car from starting?
Yes, a key fob with short battery life may prevent your automobile from starting. The key fob for your automobile is an electrical gadget with a battery inside that powers signals sent from the key fob to your car. Your car’s computerized systems get alerts in accordance with the key fob commands you press, and the vehicle subsequently reacts as necessary.
This function depends on the battery in your car’s key fob; if it runs out, you might not be able to start your car without a jumpstart. Your ability to start your car may be affected if the battery in your Honda keyless remote is low.
What occurs if the key fob battery runs out?
My car’s key fob seems to be coming in and going out, though. I know I merely need to replace the battery, but I don’t have much free time. What if the key fob entirely fails while I’m operating the vehicle?
In less than two minutes, find out if your auto insurance is being overcharged.
This issue has been foreseen by automakers ever since the key fob was created. Nothing will happen if your key fob dies while you’re driving. Simply because the key fob is a locking and starting device only, the automobile will continue to run. The key fob has no influence over the ignition or engine once the automobile is moving.
If time is of the essence, you should be aware that changing the battery in your key fob just requires two minutes, albeit you will need to visit a general store or pharmacy to obtain the battery.
Why not change the battery in your car insurance at the same time as you replace the one in your key fob?
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How often should the batteries in key fobs be changed?
Car key fobs are so practical that it’s simple to ignore them. But did you realize that regular maintenance is required for your key fob? Batteries for key fobs should be changed every three to four years, though this will depend on how frequently they are used and how well they are made.
You’d wish you had taken better care of your key fob if it were to abruptly cease working while you were far from home. Avoid being stranded and having to pay for a tow because your key fob isn’t working properly. Here are some red flags that could indicate that it’s time to replace your key fob batteries before it’s too late.