2019 Corolla Key Fob Battery: Everything You Need to Know

If your 2019 Toyota Corolla key fob is acting up, a dead battery might be the culprit. Knowing how to identify, replace, and even program a new 2019 Corolla Key Fob Battery can save you time and money. This comprehensive guide covers everything you need to know about your 2019 Corolla key fob battery, from diagnosing the problem to finding the right replacement.

Signs Your 2019 Corolla Key Fob Battery Needs Replacing

Several telltale signs indicate your key fob battery is nearing its end. Reduced operating range is a common issue; you might find yourself having to stand closer to your car to lock or unlock it. Another sign is a weak or intermittent signal. The car might not respond to the key fob on the first try, or the lock/unlock function might be delayed. Dimming or flickering key fob lights are also a clear indicator of low battery power.

What Battery Does a 2019 Corolla Key Fob Use?

The 2019 Corolla key fob uses a CR2032 battery, a common type readily available at most electronics stores, pharmacies, and online retailers. This small, circular battery is known for its long lifespan, but like all batteries, it eventually needs replacement. It’s a good idea to keep a spare CR2032 handy, especially if you’re planning a long trip.

How to Change Your 2019 Corolla Key Fob Battery: A Step-by-Step Guide

Replacing the battery in your 2019 Corolla key fob is a simple process that you can do at home. Here’s how:

1. Locate the release button: On the side of your key fob, you’ll find a small release button.
2. Release the mechanical key: Press the release button and slide the mechanical key out.
3. Open the key fob casing: Use the mechanical key or a small flathead screwdriver to pry open the key fob casing at the seam. Be gentle to avoid damaging the plastic.
4. Remove the old battery: Carefully remove the old CR2032 battery. Note the orientation for installing the new one.
5. Install the new battery: Place the new CR2032 battery into the compartment, ensuring the positive (+) side is facing up.
6. Close the key fob casing: Snap the two halves of the key fob casing back together.
7. Reinsert the mechanical key: Slide the mechanical key back into its slot.

Programming Your 2019 Corolla Key Fob

In most cases, you won’t need to program your key fob after replacing the battery. It should automatically sync with your car. However, if your key fob still doesn’t work after replacing the battery, you might need to reprogram it. Consult your owner’s manual for specific programming instructions.

Conclusion

A dying 2019 Corolla key fob battery can be a minor inconvenience. By understanding the signs of a low battery and knowing how to replace it, you can keep your key fob functioning smoothly. Replacing the 2019 Corolla key fob battery is a quick and easy DIY project that can save you a trip to the dealership.

FAQs

1. How long does a 2019 Corolla key fob battery last? Typically, a CR2032 battery lasts between 3 to 5 years.
2. Where can I buy a CR2032 battery? CR2032 batteries are widely available at electronics stores, pharmacies, supermarkets, and online retailers.
3. Do I need to program my key fob after changing the battery? Usually, no programming is required.
4. What if my key fob still doesn’t work after replacing the battery? Try reprogramming the key fob or contact a Toyota dealership.
5. Can I use a different type of battery in my 2019 Corolla key fob? No, you should only use a CR2032 battery.
6. How do I know if my key fob is the problem and not something else with the car? If the car doesn’t respond to the key fob at all, even when standing close, it could be a key fob issue. If the car doesn’t start even with the mechanical key, it might be another issue with the car.
7. Can I damage my key fob by changing the battery myself? You can avoid damage by being gentle when opening and closing the casing.

Other helpful resources:

• Check our article on how to program a 2019 Toyota Corolla key fob.
• Learn more about common car Key Fob problems.

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