How To Change Battery In Hyundai key Fob? 5 Simple Steps

A Hyundai key fob is a device that allows you to remotely lock, unlock, and start your car.

It uses a small battery to power its functions, which may need to be replaced over time.

Hyundai key fob
Hyundai key fob [PHOTO COURTESY OF GREG CUBLER]

How to Change Battery in Hyundai Key Fob

A Hyundai key fob is a device that allows you to remotely lock, unlock, and start your car.

It uses a small battery to power its functions, which may need to be replaced over time.

Here are some steps to change the battery in a Hyundai key fob, based on various sources:

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Step 1: Remove the emergency key

Locate the latch at the back of the key fob and slide it sideways as you pull to release the *emergency key*.

This is a metal key that can be used to manually unlock your car door in case the key fob fails.

Set the emergency key aside.

 

Step 2: Open the key fob case

Above the hole where you pulled out the emergency key, there is a small *slot.

Insert a flat screwdriver or a coin into the slot and gently pry open the **key fob case*.

You should hear a click when the two halves separate.

 

Be careful not to damage the plastic or the internal components of the key fob.

Step 3: Remove the old battery

Inside the key fob case, you will see a *motherboard, a **barrier, and a **battery bracket*.

Carefully lift up the motherboard and the barrier to expose the battery bracket.

Use the emergency key or another tool to remove the old battery from its bracket.

Make note of the old battery’s *orientation* and *type.

The most common battery used is a **CR2023* or *CR2032*.

 Step 4: Install the new battery

Insert a new battery of the same type into the battery bracket, ensuring the *positive side* (+) is oriented the same way as the old one.

The positive side should face *down*.

Replace the barrier and the motherboard, making sure they fit snugly and securely.

HYUNDAI KEY FOBE
Hyundai Key Fobe [PHOTO COURTESY CAR GURUS]

Step 5: Close the key fob case

Align the two halves of the key fob case and press them together until they snap into place.

You should hear another click when they are properly closed.

Reinsert the emergency key into its slot at the back of the key fob.

Test your key fob by pressing the buttons and checking if your car responds.

Tips and Troubleshooting

If your key fob still does not work after replacing the battery, you may need to *reprogram* it.

Some sources suggest holding the “open” or “unlock” button on the key fob until the car lights flash to complete the process.

Alternatively, you may need to follow specific instructions for your car model, which can be found in your owner’s manual or online.

If you are unsure about how to change the battery in your Hyundai key fob, you can always visit a Hyundai dealership or an authorized service center for assistance.

They can also provide you with genuine Hyundai parts and accessories for your car.

What other car brands use similar key fobs?

Many car brands use key fobs to remotely control various functions of their vehicles, such as locking, unlocking, starting, and opening the trunk.

Some key fobs are more advanced than others, offering features like remote start, panic alarm, or even a display screen. Some examples of car brands with key fobs are:

Toyota:

Toyota offers a service called Remote Connect, which allows drivers to use their key fobs, smartphones, smartwatches, or smart home devices to remotely start their cars.

However, this service requires a subscription after a free trial period, which depends on the audio package that comes with the car².

Audi:

Audi has a sleek and elegant key fob that matches its luxury cars.

The key fob has a flip-out metal key and four buttons for locking, unlocking, trunk release, and panic alarm.

Some models also have a key fob with a small display screen that shows information like fuel level, range, and service reminders.

BMW:

BMW has a futuristic key fob that looks like a mini smartphone.

The key fob has a touch screen that can display various information like battery status, range, service requirements, and climate settings.
.

Conclusion

Changing the battery in a Hyundai key fob is a simple and inexpensive way to ensure your remote functions work properly.

By following the steps outlined above, you can easily replace the old battery with a new one and enjoy the convenience of your key fob.

However, if you encounter any difficulties or need professional assistance, you can always visit a Hyundai dealership or an authorized service center for help.

 

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