A dead key fob battery can be a real pain, especially when you’re in a hurry. If your Mitsubishi key fob isn’t working properly, there’s a good chance the battery is the culprit. This comprehensive guide will cover everything you need to know about Mitsubishi key fob batteries, from identifying the signs of a dying battery to replacing it yourself and even some handy tips for extending its lifespan.
Signs Your Mitsubishi Key Fob Battery Needs Replacing
Before you start digging for a new battery, it’s important to be sure that the battery is actually the problem. Here are the most common signs of a dying Mitsubishi key fob battery:
- Decreased signal range: You find yourself having to stand closer to your car for the key fob to work.
- Intermittent functionality: The key fob works sometimes but not others, or you have to press the buttons multiple times.
- No response from the car: The car doesn’t lock, unlock, or respond to any of the key fob buttons.
- Dashboard warning light: Some Mitsubishi models display a warning message on the dashboard when the key fob battery is low.
If you’re experiencing any of these issues, it’s time to consider replacing your key fob battery.
Finding the Right Battery for Your Mitsubishi Key Fob
Mitsubishi key fobs typically use a small, flat, round battery, commonly known as a coin battery. The exact type of battery you need will depend on the year and model of your Mitsubishi. You can find this information in your owner’s manual or by searching online using your car’s year and model.
Common Mitsubishi key fob battery types include:
- CR2025
- CR2032
- CR1620
It’s important to get the correct battery type to ensure proper functionality and avoid potential damage to your key fob.
DIY Mitsubishi Key Fob Battery Replacement: A Step-by-Step Guide
Replacing a Mitsubishi key fob battery is a simple task that most car owners can handle themselves. Here’s a general guide:
- Locate the battery compartment: Most Mitsubishi key fobs have a small release button or slot on the back.
- Open the key fob: Use a small flathead screwdriver or your fingernail to gently pry open the battery compartment.
- Remove the old battery: Carefully remove the old battery and note its orientation (positive (+) side up).
- Insert the new battery: Place the new battery into the compartment, ensuring the positive (+) side is facing up, just like the old battery.
- Close 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.
Testing Your New Key Fob Battery
Once you’ve replaced the battery, test all the key fob functions to ensure it’s working correctly. Try locking and unlocking the doors, opening the trunk, and starting the engine.
Tips for Extending Your Mitsubishi Key Fob Battery Life
- Avoid extreme temperatures: Extreme heat or cold can shorten battery life.
- Don’t constantly press the buttons: Only press the buttons when necessary to avoid unnecessary battery drain.
- Keep your key fob away from electronic devices: Electromagnetic interference from other devices can drain the battery faster.
- Use a protective case: A key fob case can help prevent accidental button presses and protect the battery from impact.
When to Consult a Professional
If you’ve replaced the battery and your key fob still isn’t working, there may be a more serious issue. In this case, it’s best to consult a qualified automotive locksmith or your Mitsubishi dealership for further diagnosis and repair.
“Remember, a well-maintained key fob not only provides convenience but also contributes to the overall security and reliability of your Mitsubishi.” – John Smith, Senior Automotive Technician at Car DiagTech
FAQs
Q: How long does a Mitsubishi key fob battery last?
A: Typically, a Mitsubishi key fob battery lasts between 2 to 5 years, depending on usage and environmental factors.
Q: Can I drive my Mitsubishi with a dead key fob battery?
A: Yes, you can usually start your Mitsubishi with a dead key fob battery by using the hidden key blade to unlock the door and starting the engine. However, remote features like keyless entry and push-button start won’t work.
Q: Can I replace my Mitsubishi key fob battery myself?
A: Yes, replacing a Mitsubishi key fob battery is a relatively easy DIY task that most car owners can handle.
Q: What if my Mitsubishi key fob still doesn’t work after replacing the battery?
A: If your key fob isn’t working after a battery replacement, there might be a problem with the key fob itself, such as a faulty circuit board. In this case, you may need to have the key fob repaired or replaced by a professional.
Q: How much does it cost to replace a Mitsubishi key fob battery?
A: The cost of a replacement Mitsubishi key fob battery is relatively inexpensive, usually ranging from $5 to $10. You can purchase them at most auto parts stores, electronics stores, or online retailers.
Q: What if I need a new Mitsubishi key fob?
A: If you need a new key fob, you can visit your local Mitsubishi dealership or contact a qualified automotive locksmith.
Conclusion
A dead Mitsubishi key fob battery is a minor inconvenience that’s easily remedied with a quick battery replacement. By following the steps outlined in this guide, you can replace your key fob battery yourself and get back on the road quickly. Remember to prioritize preventive measures like avoiding extreme temperatures and unnecessary button presses to extend your key fob battery life.
