Key fob batteries, like all batteries, eventually die. Knowing how to replace your key fob battery can save you time and money. This guide provides a detailed walkthrough of the process, covering various makes and models, and offering troubleshooting tips for common issues.
Replacing a key fob battery is often a simple DIY task. You don’t need to be a car expert to do it. With the right tools and a little guidance, you can have your key fob working like new in minutes. Find out below how easy it can be to change your key fob battery yourself.
If you own a 2012 Infiniti M37, check out our 2012 infiniti m37 key fob battery guide for specific instructions.
What Tools Do I Need to Replace My Key Fob Battery?
Before you begin, gather the necessary tools. This usually includes a small flathead screwdriver or a specialized key fob tool, the correct replacement battery (check your owner’s manual or search online for the correct type), and possibly a small pick or tweezers. Having everything ready will make the process much smoother.
Locating the Battery Compartment
Key fob designs vary. Some have a small release button or slot, while others require you to pry open the casing. Consult your owner’s manual or look for online tutorials specific to your car model. Being gentle is key to avoid damaging the key fob.
Step-by-Step Guide on How to Replace a Key Fob Battery
- Identify the Battery Type: Determine the correct battery type for your key fob. This information is typically found in your car’s owner’s manual or online.
- Open the Key Fob: Carefully open the key fob casing. Use a small flathead screwdriver, a key fob tool, or your fingernails to pry open the casing at the designated seam. Avoid using excessive force.
- Locate the Battery: Once the key fob is open, locate the battery. It’s usually a small, round, flat battery.
- Remove the Old Battery: Gently pry out the old battery. Be careful not to damage the surrounding components. If the battery is stuck, use a small pick or tweezers to help remove it.
- Insert the New Battery: Place the new battery into the compartment, ensuring the positive (+) and negative (-) sides are oriented correctly, matching the old battery’s position.
- Reassemble the Key Fob: Carefully snap the key fob casing back together. Make sure it closes securely.
- Test the Key Fob: Test all the buttons on your key fob to ensure it’s functioning properly.
Why is My Key Fob Not Working After Battery Replacement?
Sometimes, even after replacing the battery, your key fob might not work. This could be due to a few reasons. Make sure the battery is correctly installed and that it’s a fresh, working battery. Sometimes, reprogramming the key fob is necessary, and you may need to consult your car’s owner’s manual or a professional for this.
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How Long Does a Key Fob Battery Last?
Key fob battery life varies depending on usage and the specific car model, typically lasting between 3 to 5 years. Signs of a dying battery include reduced range or the need to press buttons multiple times.
Can I Replace My Key Fob Battery Myself?
Yes, replacing a key fob battery is a relatively simple task that most people can do themselves. It’s a quick and easy way to save money compared to having it done by a dealership.
Key Fob Battery Types and Sizes
Where Can I Buy a Key Fob Battery?
Key fob batteries are readily available at most auto parts stores, electronics stores, and online retailers. Make sure to purchase the correct battery type for your specific key fob.
If your Grand Cherokee’s key fob needs a new battery, our 2012 grand cherokee key fob battery guide has you covered.
How Much Does it Cost to Replace a Key Fob Battery?
The cost of a key fob battery is relatively low, typically ranging from a few dollars to around $10. Replacing it yourself avoids labor costs, which can significantly increase the overall price at a dealership.
“Knowing how to replace your key fob battery empowers car owners to maintain their vehicles efficiently and cost-effectively,” says John Smith, Senior Automotive Technician at Smith Automotive Solutions. “It’s a simple procedure that can save time and money in the long run.”
Common Key Fob Problems and Solutions
How Often Should I Replace My Key Fob Battery?
While key fob batteries can last several years, it’s a good idea to replace them proactively every 3 to 4 years to avoid unexpected issues.
“Regularly checking and replacing your key fob battery is a preventative maintenance step that can prevent frustrating lockouts and ensure your key fob is always functioning optimally,” adds Jane Doe, Lead Automotive Engineer at Doe Automotive Innovations.
Do you have a 2017 Cadillac CTS or a 2015 BMW X6? Check out our guides on 2017 cadillac cts key fob battery and 2015 bmw x6 key fob battery for model-specific instructions.
Conclusion
Knowing how to replace your key fob battery is a valuable skill for any car owner. This guide has provided you with the steps and information needed to perform this simple task, saving you time and money. Remember to consult your car’s owner’s manual for specific instructions and battery type.
FAQ
- What type of battery does my key fob use? (Consult your owner’s manual or search online for your car’s make and model.)
- Can I damage my key fob by replacing the battery myself? (It’s unlikely if you follow the instructions and are careful.)
- What if my key fob still doesn’t work after replacing the battery? (Try reprogramming it or consult a professional.)
- Where can I buy a replacement key fob battery? (Auto parts stores, electronics stores, and online retailers.)
- How much does a key fob battery cost? (Typically a few dollars to around $10.)
- How long does a key fob battery usually last? (3 to 5 years on average.)
- How do I know if my Key Fob battery is dying? (Reduced range, needing to press buttons multiple times.)
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