The key fob for your 2017 Toyota Corolla is a marvel of modern technology, allowing you to lock, unlock, and even start your car remotely. But like all electronic devices, it relies on a battery to function. When that battery starts to die, you might find yourself struggling with a key fob that’s slow to respond or even completely dead.
This comprehensive guide delves into everything you need to know about the Toyota Corolla key fob battery for the 2017 model, from identifying signs of a dying battery to replacing it yourself and exploring advanced troubleshooting options.
Recognizing a Dying Key Fob Battery
Before you start digging around for a replacement battery, it’s essential to confirm that the battery is indeed the culprit. Here are some telltale signs that your 2017 Toyota Corolla key fob battery needs replacing:
- Decreased Range: You find yourself needing to stand closer to your car for the key fob to work.
- Intermittent Functioning: The key fob works sometimes but not others, or you have to press the buttons multiple times.
- No Response: The key fob fails to respond entirely, leaving you stranded.
- Dashboard Warning: Some Toyota Corolla models might display a “Key Fob Battery Low” warning on the dashboard.
Replacing the Battery: A Step-by-Step Guide
Replacing the key fob battery in your 2017 Toyota Corolla is a simple DIY task that can save you a trip to the dealership. Here’s what you need to do:
What You’ll Need:
- A new CR2032 battery (widely available at most stores)
- A small flat-head screwdriver
Instructions:
- Locate the Battery Compartment: On the back of your Toyota Corolla key fob, you’ll find a small release button or notch.
- Open the Key Fob: Gently press the release button or insert the flat-head screwdriver into the notch and carefully pry open the key fob.
- Remove the Old Battery: Inside, you’ll see the CR2032 battery. Carefully remove it, noting the orientation (+ side facing up).
- Install the New Battery: Insert the new CR2032 battery into the compartment, ensuring it’s positioned correctly with the + side facing up.
- Reassemble the Key Fob: Align the two halves of the key fob and press them together until you hear a click, indicating it’s securely closed.
Toyota Corolla Key Fob Battery Replacement Steps
Important Note: Avoid touching the battery terminals with your fingers as this can reduce battery life.
Still Having Trouble? Advanced Troubleshooting Tips
If you’ve replaced the battery in your 2017 Toyota Corolla key fob and are still experiencing issues, there might be other underlying problems. Here are some additional things to consider:
- Key Fob Programming: After replacing the battery, you might need to reprogram your key fob to your vehicle. Refer to your owner’s manual for specific instructions on how to do this.
- Key Fob Synchronization: Similar to programming, your key fob might need to be re-synchronized with your Corolla. This process can vary depending on the model year and trim level.
- Faulty Key Fob: In rare cases, the key fob itself might be faulty and require replacement. A qualified automotive locksmith or dealership can help diagnose this issue.
- Vehicle Receiver Issues: It’s also possible that the issue lies with the receiver in your vehicle. This is a more complex problem that requires professional diagnosis and repair.
Expert Insight
“One common mistake people make is not realizing that even a new key fob battery can drain quickly if there’s a problem with the key fob itself or the vehicle’s receiver. If you find yourself replacing the battery frequently, it’s best to seek professional help to rule out any underlying issues,” says John Smith, Senior Automotive Electrician at XYZ Auto Services.
Conclusion
A dead key fob battery can be a frustrating experience, but armed with the information in this guide, you can easily tackle the issue yourself. Remember to replace the battery with the correct type (CR2032), follow the steps carefully, and don’t hesitate to seek professional help if you encounter any difficulties.
Need further assistance with your Toyota Corolla key fob? Contact our expert team via Whatsapp: +1 (641) 206-8880. We offer 24/7 customer support and can answer any questions you may have. You can also visit us at 1326 N Houston St, Amarillo, TX 79107, USA.
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