Your Hyundai key fob is indispensable for accessing and operating your vehicle, making the battery within it a critical component. When your key fob starts to act erratically or stops working altogether, a dead battery is often the culprit. Replacing it is a straightforward process you can typically handle yourself. This guide will walk you through everything you need to know about your Hyundai Key Fob Battery Type and how to replace it, ensuring you’re never locked out due to a dead fob.
Understanding Your Hyundai Key Fob and Battery Type
Before you begin, it’s important to identify the type of key fob you have and the correct battery it requires. Hyundai key fobs come in various designs depending on the model and year of your vehicle.
Identifying Your Key Fob Type
Hyundai vehicles utilize different types of key fobs, which can generally be categorized as:
- Traditional Key Fob: These fobs often include a physical key blade along with buttons for locking, unlocking, and sometimes a panic button or trunk release.
- Smart Key Fob (Proximity Key): These modern key fobs allow for keyless entry and push-button start. They might have fewer visible buttons and rely more on proximity sensors.
Identifying your specific key fob type is usually as simple as looking at it. Does it have a physical key that slides out, or is it a purely electronic device? Referencing your Hyundai owner’s manual can also quickly confirm the type of key fob your vehicle uses.
Common Hyundai Key Fob Battery Types
The most common battery type for Hyundai key fobs is the CR2032 3V lithium coin cell battery. However, depending on the model and year, some fobs may use other types such as CR2016 or CR2025.
To be absolutely sure about your Hyundai key fob battery type, it’s best to:
- Check your owner’s manual: This is the most reliable source of information.
- Open your key fob (carefully): Before purchasing a new battery, you can open your key fob and visually check the existing battery. The battery type is usually printed directly on the battery itself.
Having the correct Hyundai key fob battery type ensures proper function and longevity of your key fob.
Step-by-Step Guide to Hyundai Key Fob Battery Replacement
Replacing your Hyundai key fob battery is a simple DIY task. Follow these steps to get your key fob working again:
Gather Your Tools
Before you start, collect these essential items:
- New Battery: Ensure you have the correct Hyundai key fob battery type (most likely CR2032, CR2025, or CR2016).
- Small Flathead Screwdriver or Spare Key: Used to gently open the key fob casing.
- Soft Cloth or Cotton Swab: To keep the components clean and handle the battery.
- Rubbing Alcohol (Optional): For cleaning battery contacts if needed.
Step 1: Open the Key Fob
Locate the small notch or seam on your Hyundai key fob. This is usually along the side or bottom edge.
Carefully insert a small flathead screwdriver or your Hyundai’s emergency spare key into the notch and gently twist to pry the fob open. Some models might have a small release button or slider that needs to be pressed or moved before you can open the casing. Work slowly and avoid forcing it to prevent damage to the key fob.
Step 2: Remove the Old Battery
Once the key fob is open, you’ll see the battery. Take note of the battery’s orientation – specifically, which side is facing up (+ or -). This will ensure you insert the new battery correctly.
Gently use your fingertip or the small screwdriver to lift the old battery out of its compartment. Avoid using metal tools to pry directly at the battery contacts as this could cause damage.
Step 3: Insert the New Battery
Take your new Hyundai key fob battery type and insert it into the compartment. Ensure the polarity is correct, matching the orientation you noted when removing the old battery (usually the positive (+) side facing upwards).
Press down gently to snap the new battery into place.
Step 4: Reassemble and Test
Carefully align the two halves of the key fob casing and press them firmly together until they snap back into place. You should hear a click, indicating that the fob is securely closed.
Once reassembled, test your Hyundai key fob by attempting to lock and unlock your car doors, activate the trunk release, and use the panic button. Ensure all functions are working correctly. If your car has a push-button start, verify that the key fob is recognized when you try to start the vehicle.
Tips for Choosing the Right Hyundai Key Fob Battery Type
- Always double-check your owner’s manual: This is the most accurate way to confirm the correct battery.
- Visually inspect the old battery: Before discarding the old battery, check the printed type for confirmation.
- Purchase from reputable brands: Opt for batteries from well-known brands for reliable performance and longevity.
- Consider battery life: High-quality batteries can last for 2-4 years, depending on usage and environmental factors.
While replacing your Hyundai key fob battery type is usually a simple process, if you encounter any difficulties or prefer professional assistance, contact Huffines Hyundai McKinney for expert service. Our team can ensure your key fob is functioning perfectly and offer any other car maintenance services you may need.
