How To Change Battery In 2018 Hyundai Sonata Key Fob?

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.

What is the price of a Hyundai key fob battery replacement?

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.

What should I do after changing the battery in my key fob?

The majority of people use their key fob to unlock their car doors and trunk. But what occurs if the battery runs out? You might believe that getting a new key fob requires visiting a dealership or a locksmith, but did you know that you can simply reset it yourself?

This is how:

Find the little button on your key fob first. This is typically found on the fob’s backside.

2. For around 15 seconds, press and hold the button.

3. Release the button after 15 seconds, and your key fob should be reset!

The owner’s manual for your car should always be consulted if you have any issues or inquiries.

Simply press and hold the reset button for a few seconds if your key fob has one. Remove the battery cover and press the tiny reset button on the circuit board if your key fob lacks a reset button.

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.

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

How is my car key fob reset?

  • Take hold of all of your car’s remote starters.
  • Place your ignition key in and select Accessory (or press the start button once without pushing the brake pedal).
  • Your remote car starter’s Lock button should be pressed.
  • After turning it on for five seconds, turn the key back to the “off” position (or press the start button again).
  • The on-off cycle should be repeated a total of four times.
  • You’ll hear a sound (a “ding,” “ping,” or “buzz”) on cycle number four when you choose the Accessory position. Right now, programming mode is active.
  • Lock the remote by holding down the button (s).
  • Turn off the car in ten seconds.
  • Shut the door, exit the vehicle, and then try the remote.
  • If so, that’s excellent!
  • It’s time to call the dealership if it doesn’t.

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.

Can my key fob drain the battery in my car?

We frequently receive inquiries like these at the shop. Yes, it is the correct response. Your key fob can eventually deplete your battery if you keep it in your car when it is not in use. Even when not in use, the key fob continuously transmits a signal to the vehicle, which consumes a tiny amount of electricity. So, if you keep your key fob in your car for a long time, the battery will ultimately die. If you find yourself in this predicament, you might try using a jumper wire or a portable battery pack to jump start your automobile.

Additionally, it may not be a good idea to leave your key fob in your car overnight or even just hanging nearby. The key fob may speak with your automobile if it is too close, which could drain the battery.

How frequently should a key fob battery 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.

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?

You can access a new quotation with just a few taps on your phone screen by downloading the Jerry app and answering a few questions.

Jerry assists you in finding and comparing rates from more than 50 leading suppliers in minutes as a licensed broker. Jerry can assist you with purchasing new insurance and even canceling your existing policy when you find a lower rate.

Will a low key fob battery cause the check engine light to appear?

A bad battery will inevitably result in low voltage to the vehicle’s computer, which could turn on the check engine light. Before performing any additional diagnostic testing, the mechanic will test your car’s battery when you bring it in for service.

Why doesn’t my automobile recognize my key fob?

Key fob battery failure The most frequent cause of a keyless entry system failing to send signals is a faulty battery in the key fob. Use the extra key fob to unlock the car and turn on the ignition if one is available. Use the key that is included in the spare fob if it is not available to unlock the door.

Can I change a key fob on my own?

Yes, a replacement automobile key can be obtained without the original. Since people frequently misplace their car keys, replacing a misplaced car key is an easy operation. Nevertheless, depending on the key type, it could be pricey.

A key fob is a little electronic gadget that you can use to remotely lock and unlock your car. Other capabilities of the fob could include a remote engine starter, a trunk opening, or a proximity system that allows you to open your car without taking the fob out of your pocket.

Depending on how sophisticated the key technology is, replacing car keys can be expensive. An old metal key can be duplicated for less than $10 at a hardware store. On the other hand, the most recent smart keys must be ordered from a dealer and might cost between $200 and $500.

Your car key’s battery can be changed easily by opening it up, identifying the battery type, and going to the store. If you’re unsure of how to open the remote, it pays to consult your owner’s manual because you don’t want to force anything open and break it.

Today’s automobile keys are more secure and capable thanks to technology, but the gain isn’t free. The majority of modern keys feature complex electronic parts that must be configured before usage.

You may be able to buy an after-market key fob via a locksmith or online if your automobile is more than five years old. These sorts of fobs range in quality, but they are less expensive than other options.

You might be able to program a replacement yourself, depending on the make and type of your vehicle. The steps for programming a key fob yourself can differ: Owner’s manuals from certain automakers include instructions. In many circumstances, information can be available online. The catch is that in order to complete the process quickly or at all, you might need two functional key fobs.

It’s wise to acquire and program a backup remote before you require it. Additionally, a lot of used-car buyers (particularly auto dealers) will pay more for a vehicle with at least two functional key fobs or sets of keys.

A misplaced automobile key can indeed be replaced by a locksmith. If you have the option of receiving your replacement key from a locksmith or the dealership, the latter may be less expensive. Before making a choice, be sure to inquire about prices with your nearby vehicle dealership.

Can a key with a low battery prevent a car from starting?

If your key fob isn’t detected inside the car, the keyless entry system won’t start the engine. The system probably won’t be able to tell when the key fob is inside the car if it has a dead battery, which will prevent the engine from starting. By pressing down while placing the fob on the start engine button, you can get past this problem. Even though this should enable your engine to start, it is still beneficial to change the fob batteries whenever you have the opportunity.

How long is the battery life of a key fob after a warning?

Under normal conditions, the remote control battery in your automobile should last between three and six months. Knowing the battery’s lifespan can help you be ready to replace it if necessary because batteries do not last forever.

The remote battery in your car should last between three and six months, however it could last less depending on several factors including inappropriate usage, storage, etc. Consult a qualified auto technician to determine why the remote starter battery in your car isn’t lasting as long as it should.