By Justin The 2019 Hyundai Tucson key fob takes a CR2032 lithium battery, which is 3V and measures 20mm in diameter and 3.2mm in height. Brands like Hyundai, Panasonic, Energizer, and Duracell work well. If your fob is acting up—like having a shorter range or unresponsive buttons—it’s time for a battery swap. The process is simple: just open the fob, replace the battery, and put it back together. A new battery usually costs between $1 and $5. Follow some extra tips to keep it running smoothly for the long haul!
What Battery Does a 2019 Hyundai Tucson Key Fob Use?
The 2019 Hyundai Tucson key fob uses a CR2032 lithium coin cell battery, which operates at 3V and has dimensions of 20mm in diameter and 3.2mm in height.
This specific battery type is essential for ensuring the key fob functions correctly, providing reliable performance for keyless entry and ignition.
Compatible alternatives include batteries from brands like Energizer and Duracell, which offer similar voltage and slightly varying capacities, making them suitable replacements for users seeking cost-effective options.
Battery Specifications
Key specifications:
- Type: CR2032 lithium coin cell
- Voltage: 3V
- Dimensions: 20mm diameter, 3.2mm height
Using the correct battery type ensures the key fob functions properly.
Following these specifications prevents issues like reduced range or unresponsiveness.
Compatible Options
The 2019 Hyundai Tucson key fob requires a CR2032 lithium coin cell battery. This battery has a voltage of 3V and measures 20mm in diameter and 3.2mm in height. OEM brands like Hyundai and Panasonic typically offer a capacity of 220mAh. In contrast, alternative brands such as Energizer and Duracell range from 210 to 240mAh and are often cheaper. Here’s a comparison of battery options for the key fob:
| Battery Type | Brand Examples |
|---|---|
| CR2032 (OEM) | Hyundai, Panasonic |
| CR2032 Alternatives | Energizer, Duracell, Amazon Basics |
| CR2025/CR2016 | Sony, Maxell |
Consider both battery capacity and cost when choosing the right option.
How Do You Replace a 2019 Tucson Key Fob Battery?
To replace the battery in a 2019 Hyundai Tucson key fob, follow these steps:
- Open the Fob: Remove the physical key by pressing the release button. If needed, use a flathead screwdriver to carefully pry open the fob casing.
- Remove the Old Battery: Locate the old battery. Gently lift it out with the screwdriver, taking care not to damage the circuit board.
- Install the New Battery: Take a new CR2032 battery and place it in the compartment with the positive side facing up. Snap the casing back together until you hear a click.
After replacing the battery, test the fob by pressing any button. The LED should light up, indicating the new battery works properly.
Step 1: Opening the Key Fob
To open the Hyundai Tucson key fob, one can either press the release button to detach the physical key or use a flathead screwdriver to gently pry apart the casing.
Understanding the methods for opening the fob ensures no damage occurs during the process.
Required tools include a small flathead screwdriver or a plastic pry tool, along with the new CR2032 battery for replacement.
Opening Methods
To open the Hyundai Tucson key fob safely, follow these methods:
- Release Button Method: Press the release button to take out the physical key. Use the key to help pry open the fob.
- Flathead Screwdriver Method: Insert a flathead screwdriver into the side notch. Gently twist to separate the casing without using too much force.
- Plastic Pry Tool Method: Use a plastic pry tool. This prevents scratches and damage to the fob while you open it.
These methods help keep the key fob intact during battery changes.
Required Tools
To open a 2019 Hyundai Tucson key fob, you need a few tools:
- Small Flathead Screwdriver: Use this to carefully pry the fob apart without breaking the clips.
- Plastic Pry Tool: This alternative reduces the chance of scratching the fob.
- Replacement CR2032 Battery: Get a fresh, quality battery for the best performance.
These tools make the battery replacement easy and keep the fob in good condition.
Step 2: Removing Old Battery
To safely remove the old battery from a 2019 Hyundai Tucson key fob, locate the battery compartment and gently lift the battery from its slot using a screwdriver.
Care must be taken during this process to avoid common mistakes, such as forcing the casing open or touching the circuit board with metal tools.
Proper handling ensures that the key fob remains functional and intact for future use.
Removal Process
To remove the old battery from a 2019 Hyundai Tucson key fob, follow these steps:
- Locate the Battery Compartment: Find the section of the key fob where the battery is stored.
- Use a Small Flathead Screwdriver: Carefully insert the screwdriver into the notch to lift the old battery out.
- Avoid Force: Gently move the screwdriver to avoid damaging the fob’s casing or its internal parts.
These steps will help you replace the battery effectively.
Common Mistakes
Common mistakes during battery removal include forcing the casing open and using incorrect tools. A careful approach helps to prevent key fob damage.
To avoid issues, follow these tips:
- Use the right tools: Choose a small flathead screwdriver or a plastic pry tool made for delicate electronics.
- Be gentle when prying: Avoid forcing the casing, as this can break clips and harm internal components.
- Avoid metal contact: Do not touch the circuit board with metal tools to prevent short-circuits or static discharge damage.
Step 3: Installing New Battery
To install the new battery in a 2019 Hyundai Tucson key fob, place the CR2032 battery with the + side facing up and snap the casing back together until it clicks.
Proper battery placement is crucial for ensuring functionality, as incorrect orientation can lead to failure in operation.
After securing the fob, testing the installation by pressing any button should illuminate the LED, confirming successful battery integration.
Installation Steps
Place the new CR2032 battery in the key fob with the positive (+) side facing up. Follow these steps for proper installation:
- Align the battery in the compartment.
- Make sure the battery is seated securely.
- Snap the key fob casing back together, ensuring all clips are engaged.
These steps help prevent issues like unresponsive buttons.
Properly replacing the battery ensures the keyless entry system works for your 2019 Hyundai Tucson.
Testing Tips
To check if the key fob battery was installed correctly, follow these steps:
- Press any button on the key fob. The LED light should light up.
- Stand a few feet away from the car. Try locking and unlocking the doors with the key fob.
- Start the car. The key fob should work without issues.
If the key fob does not respond, there may be a problem with the battery installation or the battery itself.
Make sure the battery fits properly and is oriented correctly.
What Are the Signs of a Dying Key Fob Battery?
The signs of a dying key fob battery include reduced keyless entry range, unresponsive buttons, and dashboard warnings such as “Key Not Detected.”
Recognizing these indicators is crucial for maintaining the functionality of the key fob.
For instance, while a fully charged fob operates at a range of 30–50 feet, a low battery can limit this to only 5–10 feet, making it difficult to unlock the vehicle from a distance.
Warning Indicators
Signs of a low key fob battery include:
- Decreased keyless entry range: You may need to be closer to the car to unlock it.
- “Key Not Detected” warning: This message can show up on your dashboard, indicating a battery problem.
- Unresponsive buttons: Buttons may not work or respond slowly when pressed.
Watching for these signs can help avoid being locked out of your vehicle.
Performance Issues
Low battery impacts key fob performance, affecting vehicle access. Recognizing these changes helps with timely battery replacements.
| Normal Behavior | Low Battery Behavior | Symptoms |
|---|---|---|
| Instant door lock/unlock | Multiple clicks required | Unresponsive buttons |
| 30–50 ft range | 5–10 ft range | Delayed response |
| No dashboard warnings | Frequent “Low Key Battery” alerts | Key Not Detected message |
Monitoring key fob performance can prevent issues when accessing your vehicle. Regular checks ensure reliability and functionality.
Where Can You Buy a Replacement Battery?
Replacement batteries for the 2019 Hyundai Tucson key fob can be purchased at retailers such as AutoZone, Amazon, and eBay, with prices ranging from $1 to $5.
AutoZone typically sells CR2032 batteries for $3 to $5 but does not offer installation services.
In contrast, Amazon provides bulk purchasing options at a lower price point, around $1 to $3 per battery, while eBay features a mix of branded and off-brand choices priced between $2 and $4.
Quality considerations are important; consumers should check for expiration dates and consider brands with anti-corrosion features for reliability.
Retailer Options
CR2032 batteries for the 2019 Hyundai Tucson cost between $1 and $5. Here’s a comparison of prices from popular retailers:
| Retailer | Price Range |
|---|---|
| AutoZone | $3–$5 |
| Amazon | $1–$3 |
| eBay | $2–$4 |
| Walmart | $2–$4 |
AutoZone has them in-store. Amazon allows bulk buying. eBay offers both brand and generic options. Choose based on price and convenience.
Quality Considerations
When buying a replacement battery for a 2019 Hyundai Tucson key fob, choose a quality CR2032 lithium coin cell battery. This battery type has 3V voltage and measures 20mm in diameter and 3.2mm in height.
Consider these factors for quality:
- Brand Reputation: Select trusted brands like Panasonic or Energizer for reliable performance.
- Expiration Dates: Look for expiration dates on the packaging to avoid old batteries.
- Anti-Corrosion Features: Pick batteries with anti-corrosion coatings for better durability.
A quality battery ensures your key fob works well over time.
How Much Does Key Fob Battery Replacement Cost?
Replacing a Hyundai Tucson key fob battery typically costs between $1 to $100, depending on whether the replacement is done DIY or through professional services.
Battery costs for a CR2032 can range from $1 to $5, while dealership services can run between $50 to $100.
Locksmith services offer a more budget-friendly alternative, generally charging between $10 to $30, making it essential for owners to consider their options carefully.
Battery Costs
Replacing a 2019 Hyundai Tucson key fob battery costs between $1 and $5 if you do it yourself. You will need a CR2032 lithium coin cell battery. Here’s a comparison of battery options:
| Battery Type | Brand Examples | Price Range |
|---|---|---|
| CR2032 (OEM) | Hyundai, Panasonic | $2 – $5 |
| CR2032 Alternatives | Energizer, Duracell | $1 – $4 |
| CR2025/CR2016 | Sony, Maxell | $1 – $3 |
When choosing a battery, consider the brand and price. A CR2032 from a reliable brand is a good choice for performance.
Professional Service
Replacing a 2019 Hyundai Tucson key fob battery costs $50 to $100 at a dealership and $10 to $30 with a locksmith.
Factors affecting these prices include:
- Dealer Expertise: Dealerships have specialized knowledge and may offer warranties.
- Locksmith Convenience: Local locksmiths typically charge less and may come to you.
- Turnaround Time: Dealerships may take longer than locksmiths.
Deciding between a dealership or a locksmith depends on your budget, convenience needs, and trust in the service.
What Should You Do If Your Key Fob Stops Working?
If your Hyundai Tucson key fob stops working, try replacing the battery, cleaning the contacts, or resetting the fob.
Key fobs can malfunction due to several factors, including a depleted battery or dirty contacts.
In emergencies, utilize the physical key hidden within the fob for manual access or hold the fob against the start button to bypass detection for ignition.
Troubleshooting Steps
If your key fob isn’t working, try these fixes:
- Replace the battery: Use a new CR2032 battery for power.
- Clean the contacts: Use rubbing alcohol to clear any corrosion.
- Reset the fob: Remove the battery for 30 seconds, then put it back in.
These steps can help you regain access to your vehicle.
Emergency Access
If the key fob stops working, you can still access your vehicle using these methods:
- Physical Key Entry: Use the hidden key to unlock the door.
- Dead Fob Ignition: Hold the fob against the start button to start the car.
- Spare Fob Availability: Keep a backup key fob handy for emergencies.
- Battery Replacement: Change the fob battery to restore its function.
These solutions ensure you can get into your car even if the fob fails.
| Method | Steps | Pros |
|---|---|---|
| Physical Key Entry | Use the hidden key to unlock the door | Quick and simple access |
| Dead Fob Ignition | Hold the fob against the start button | Bypass detection issues |
| Spare Fob Availability | Have a backup key fob on hand | Ensures continuous access |
| Battery Replacement | Replace battery to restore function | Permanent solution |
People Also Ask
How long does a 2019 Tucson key fob battery last?
A 2019 Tucson key fob battery usually lasts about 2 to 3 years.
This depends on how often you use it and the conditions it’s in.
If you notice the key fob not working well, it might be time to change the battery.
Can I replace my Tucson key fob battery myself?
Yes, you can replace your Tucson key fob battery yourself in under five minutes.
You’ll need a CR2032 battery, which you can buy for $1 to $5.
Just use a small screwdriver to open the fob, swap the battery, and put it back together.
What happens if key fob battery dies while driving?
If the key fob battery dies while driving, your car will keep running but won’t restart if you turn it off.
To fix this, replace the battery.
It’s a good idea to keep a spare battery in your glove compartment in case it happens.
Does AutoZone replace key fob batteries?
AutoZone does not replace key fob batteries, but they sell the batteries you need and provide easy instructions for you to do it yourself.
You can find CR2032 batteries for about $3 to $5, which helps you save money compared to going to a dealership.
Wrapping Up
The 2019 Hyundai Tucson key fob runs on a CR2032 lithium battery. Replacing this battery can be a straightforward task that restores your key fob’s functionality. For Tucson owners, knowing how to do this can turn a potentially frustrating situation into a simple DIY fix, reminding us how even small components can have a big impact on our daily lives.