Swap your 2019 Hyundai Tucson key fob battery with a CR2032. Just pop open the fob using a flathead screwdriver or a plastic pry tool, ditch the old battery, and pop in a new one, positive side up. Quick, easy, and keeps your cash in your pocket!
What Battery Does a 2019 Hyundai Tucson Key Fob Use?
The 2019 Hyundai Tucson key fob requires a CR2032 lithium coin cell battery, operating at 3 volts with dimensions of 20mm in diameter and 3.2mm in height.
This specific type of battery ensures optimal functionality of the key fob’s wireless commands.
Compatible alternatives include brands like Energizer, Duracell, and Amazon Basics, which offer similar voltage and dimensions, though capacity may vary from 210 to 240mAh.
Battery Specifications
For a 2019 Hyundai Tucson, the key fob needs a CR2032 battery. It should be 3 volts and measure 20mm by 3.2mm.
Specifications for the 2019 Hyundai Tucson key fob battery:
- Type: CR2032 lithium coin cell
- Voltage: 3 volts
- Dimensions: 20mm diameter, 3.2mm height
This setup helps the key fob work well and last long.
Compatible Options
The 2019 Hyundai Tucson key fob uses a CR2032 lithium coin cell. You can get this battery from Hyundai or other trusted brands like Panasonic, Energizer, Duracell, and Amazon Basics. These brands offer quality batteries that work just as well as the original.
| Battery Type | Brand Examples | Price Range |
|---|---|---|
| CR2032 (OEM) | Hyundai, Panasonic | $2–$5 |
| CR2032 Alternatives | Energizer, Duracell, Amazon Basics | $1–$4 |
| CR2025/CR2016 | Sony, Maxell | $1–$3 |
Choosing from these options means you always have access to replacements that fit your key fob without issues.
How Do You Replace a 2019 Tucson Key Fob Battery?
To replace the battery in a 2019 Hyundai Tucson key fob, you’ll need a new CR2032 battery and a small flathead screwdriver or plastic pry tool. Here’s how to do it:
- Open the Key Fob: Insert the flathead screwdriver or pry tool into the small notch at the edge of the key fob. Gently twist or pry it open to separate the two halves.
- Remove the Old Battery: Take out the old CR2032 battery. Be careful not to touch the circuit inside.
- Insert the New Battery: Place the new CR2032 battery into the battery slot with the positive (+) side facing up.
- Reassemble the Key Fob: Snap the two halves of the key fob back together.
Make sure the new battery is well-aligned and the fob is properly closed to ensure it works correctly.
Step 1: Opening the Key Fob
To open the key fob of a 2019 Hyundai Tucson, users must employ specific methods and tools to avoid damaging the device.
The most common approach involves using the physical key to pry open the fob after pressing the release button.
A small flathead screwdriver or a specialized plastic pry tool can also be used to gently separate the casing at the designated notch.
Opening Methods
To open a 2019 Hyundai Tucson key fob safely, use one of these methods:
1. Use the Physical Key: Press the fob’s release button to remove the metal key.
Insert the key into the fob’s seam and gently twist to open.
2. Plastic Pry Tool: Place a plastic pry tool into the seam and carefully work around the edge to separate the halves without causing scratches.
3. Credit Card: Use a stiff plastic card, like a credit card, to slide into the seam.
Move it around the edge to pop open the casing.
Required Tools
To open a 2019 Hyundai Tucson key fob without damage, you’ll need a small flathead screwdriver, a plastic pry tool, and a CR2032 battery for replacement.
Here’s how to do it:
- Small Flathead Screwdriver: Use this to carefully pry open the key fob at the notch or seam.
- Plastic Pry Tool: This tool helps avoid scratches or damage to the fob’s casing.
- CR2032 Battery: Have this on hand to replace the old battery to keep your key fob working.
Step 2: Removing Old Battery
In step 2 of replacing the Hyundai Tucson key fob battery, careful removal of the old battery is crucial.
The process involves using a small tool to gently pry the battery out of its compartment, ensuring not to disrupt other components.
Common mistakes include using excessive force or inappropriate tools, which can damage both the battery compartment and the key fob’s casing.
Removal Process
To replace the battery in a 2019 Hyundai Tucson key fob, first open the fob and find the battery compartment.
It usually contains a CR2032 lithium coin cell. Use a small flathead screwdriver to gently pry the old battery out, being careful not to touch any other metal parts or the electronic circuit inside the fob.
Common Mistakes
Avoid breaking your 2019 Hyundai Tucson key fob by handling it gently. Here’s what not to do:
- Avoid Using Excessive Force: Don’t pry the fob open with strong force or sharp objects, as this can damage the casing and internal parts.
- Avoid Touching the Circuit Board: Keep your fingers and metal tools away from the circuit board to prevent damage from static electricity.
- Check Battery Placement: Make sure the battery is placed correctly, positive side up, to ensure the fob works properly.
Step 3: Installing New Battery
In Step 3 of replacing the battery in a Hyundai Tucson key fob, careful installation of the new battery is crucial for functionality.
The new CR2032 battery should be placed with the positive side facing upwards, ensuring correct alignment in the compartment.
This step is pivotal not only to power the key fob but also to maintain the integrity of the device’s internal circuitry.
Installation Steps
To replace the battery in a 2019 Hyundai Tucson key fob, insert the CR2032 battery with the positive (+) side up. This ensures it connects correctly.
Key steps for battery installation:
- Align the Battery: Position the CR2032 battery with the positive side up in the compartment.
- Ensure Proper Placement: Check that the battery is correctly placed without tilting.
- Avoid Touching Contacts: Handle the battery by the edges to avoid damaging the metal contacts.
Testing Tips
To ensure your new CR2032 battery is working in your key fob, follow these steps:
- Press any button on the key fob: Look for the LED to light up, which means the battery is working.
- Attempt to lock and unlock the vehicle: This checks if the key fob and car are communicating properly.
- Start the vehicle: If your car starts with the push start or remote start, the battery is installed correctly.
What Are the Signs of a Dying Key Fob Battery?
The signs of a dying Hyundai Tucson key fob battery include reduced keyless entry range and unresponsive buttons.
Owners might notice that their vehicle responds sluggishly to fob commands, or they may see a “Key Not Detected” message on the dashboard.
These symptoms suggest the battery’s voltage is dropping, impeding the fob’s ability to communicate effectively with the car’s remote system.
Warning Indicators
When your 2019 Hyundai Tucson key fob battery starts running low, you’ll notice a few clear signs. The key fob might not work from a distance, your car dashboard could show a “Key Not Detected” message, and the buttons on the fob might not respond quickly or at all.
- Reduced Keyless Entry Range: A weak battery means the key fob can’t send signals as far as before. You might have to be closer to your car to unlock it.
- Dashboard Warning: If the battery is low, the car might display warnings like “Key Not Detected,” indicating the fob isn’t communicating well with the car.
- Unresponsive or Delayed Button Responses: If pressing the buttons on your key fob results in slow or no responses, it’s likely time to change the battery.
Performance Issues
When the key fob battery in a 2019 Hyundai Tucson is low, you might have to click multiple times to lock or unlock the doors, the effective range drops to 5-10 feet, and the dashboard may show frequent “Low Key Battery” alerts. A fully charged battery allows for instant door control from 30-50 feet away without any dashboard warnings.
| Normal Behavior | Low Battery Behavior |
|---|---|
| Instant door lock/unlock | Multiple clicks required |
| 30–50 ft range | 5–10 ft range |
| No dashboard warnings | Frequent “Low Key Battery” alerts |
Keeping your key fob battery fully charged ensures that your car responds well and you avoid these issues.
Where Can You Buy a Replacement Battery?
Replacement batteries for the 2019 Hyundai Tucson key fob can be purchased from various retailers, including AutoZone, Amazon, and eBay, with prices ranging from $1 to $5.
These retailers offer different brands and pack sizes, impacting both cost and convenience.
Quality considerations such as expiration dates and anti-corrosion features are crucial when selecting a battery to ensure longevity and performance.
Retailer Options
For a 2019 Hyundai Tucson key fob, the CR2032 battery is sold at various retailers, each offering different prices:
| Retailer | Price (CR2032) |
|---|---|
| AutoZone | $3–$5 |
| Amazon | $1–$3 |
| eBay | $2–$4 |
| Walmart | $2–$3 |
| Best Buy | $3–$4 |
Choose a retailer based on how much you want to spend, whether you need the battery quickly, or if you prefer buying in bulk.
Quality Considerations
When buying a key fob battery for a 2019 Hyundai Tucson, focus on the battery type, brand, and features that prevent corrosion.
Here’s what to look for:
- Battery Type: Choose a CR2032 lithium coin cell, the right fit for the 2019 Hyundai Tucson key fob.
- Brand Reliability: Go with trusted brands such as Panasonic or Energizer for better performance and longer life.
- Protective Features: Select batteries that offer anti-corrosion properties and come in secure packaging to avoid damage before use.
How Much Does Key Fob Battery Replacement Cost?
The cost of replacing a Hyundai Tucson key fob battery varies depending on whether the owner opts for a DIY approach or professional services.
A battery itself costs between $1 and $5, which is a feasible option for those comfortable with handling small electronics.
However, enlisting the help of a dealership or locksmith can range from $10 to $100, greatly increasing the expense due to labor costs.
Battery Costs
Replacing a 2019 Hyundai Tucson key fob battery costs $1 to $5 when done yourself, and up to $100 at a dealership. This keeps the key fob working well for keyless entry and ignition.
| Battery Type | Price Range (USD) | Common Brands |
|---|---|---|
| CR2032 OEM | $2 – $5 | Hyundai, Panasonic |
| CR2032 Alternatives | $1 – $4 | Energizer, Duracell |
| CR2025/CR2016 | $1 – $3 | Sony, Maxell |
| Bulk Packs | $1 – $3 | Various on Amazon |
| In-store Purchase | $3 – $5 | AutoZone |
These options meet different budgets and needs, making it easy for Tucson owners to find the right battery.
Professional Service
Key fob battery replacement typically costs $10 to $30 at locksmiths and $50 to $100 at dealerships.
Locksmiths are usually cheaper and faster, while dealerships might include a warranty.
Key Considerations for Professional Key Fob Battery Replacement:
- Cost Efficiency: Locksmiths tend to be less expensive than dealerships.
- Convenience: Dealerships may offer additional services like a warranty.
- Speed of Service: Locksmiths usually work faster, which helps if you need quick service.
What Should You Do If Your Key Fob Stops Working?
When a Hyundai Tucson key fob ceases to function, the owner should first attempt troubleshooting steps such as replacing the battery or cleaning the contacts.
If these methods fail, emergency access techniques, including using the physical key or the dead fob ignition method, become crucial.
These solutions ensure that the driver can still access and start their vehicle even when the key fob is unresponsive.
Troubleshooting Steps
If your Hyundai Tucson key fob isn’t working, first try changing the battery, cleaning the contacts, or resetting the fob. These simple fixes often solve common issues.
- Check for Visible Damage: Look over the key fob for cracks or wear on the buttons which might mean it needs replacing.
- Test with Another Fob: Use a different fob to see if the issue is with the fob or the car’s receiver.
- Consult a Professional: If the fob still isn’t working, get help from a Hyundai-certified technician or a locksmith skilled in car key fobs.
Emergency Access
If your Hyundai Tucson key fob stops working, you can still get into your car and even start it using these backup methods:
| Method | Description | Steps |
|---|---|---|
| Physical Key Use | Use the hidden physical key | Remove the key from the fob and unlock manually |
| Dead Fob Ignition | Start the car with a non-functional fob | Hold the fob against the start button |
| Battery Reset | Restore fob functionality | Remove and reinsert the battery after 30 seconds |
| Contact Cleaning | Clean the battery contacts | Use rubbing alcohol to clean contacts |
| Professional Help | Get help if needed | Visit a dealership or locksmith |
These simple steps help you manage a non-responsive key fob effectively.
People Also Ask
How long does a 2019 Tucson key fob battery last?
A 2019 Hyundai Tucson key fob battery usually lasts about 2 to 3 years.
How often you use it and the weather can make it last a shorter or longer time.
Can I replace my Tucson key fob battery myself?
Yes, you can replace the battery in your 2019 Hyundai Tucson key fob by yourself.
Simply use a small screwdriver to open the case, swap the old CR2032 battery with a new one, and then snap the case back together.
What happens if key fob battery dies while driving?
If your key fob battery dies while you’re driving, your car will keep running.
But, when you turn off the car, it won’t start again until the fob battery is replaced.
Does AutoZone replace key fob batteries?
AutoZone does not replace key fob batteries but they sell them, like the CR2032 for a 2019 Hyundai Tucson.
They offer advice on how to change it yourself.
Wrapping Up
Changing your 2019 Hyundai Tucson key fob battery is easy and crucial for smooth vehicle access.
Switching out the battery of your key fob may seem small, but it’s a quick win that enhances your daily convenience immensely. This guide shows you how to do it efficiently, ensuring your Tucson functions flawlessly and keeps your routine on track.