Key Fob Battery CR1620: Everything You Need to Know

Key fob batteries, specifically the CR1620, are essential for the proper functioning of your car’s keyless entry system. If your key fob is acting up, a dead CR1620 battery might be the culprit. This comprehensive guide will walk you through everything you need to know about the CR1620 key fob battery, from identifying it to replacing it and troubleshooting common issues.

Understanding the CR1620 Key Fob Battery

The CR1620 is a small, circular, lithium battery commonly used in key fobs, watches, and other small electronic devices. Its designation, CR1620, reveals its characteristics: “CR” indicates lithium manganese dioxide chemistry, “16” represents its 16mm diameter, and “20” denotes its 2.0mm thickness. A failing Key Fob Battery Cr1620 can manifest in several ways, from reduced range to completely unresponsive buttons.

Knowing the right battery type for your key fob is crucial. Using an incorrect battery can damage the key fob or even lead to leakage. If you’re unsure about your key fob’s battery type, consult your owner’s manual or contact your car’s manufacturer. A quick online search for your specific car model and year can also yield helpful results. You can even check out our article on how to change battery in a dodge ram key fob.

Signs of a Dying CR1620 Key Fob Battery

Recognizing the signs of a dying CR1620 key fob battery can save you time and frustration. Here are some common indicators:

• Reduced Range: You need to be much closer to your car for the key fob to work.
• Intermittent Functioning: The key fob works sometimes but not others.
• Unresponsive Buttons: The buttons on the key fob don’t respond at all.
• Dimming Key Fob Light: If your key fob has a light, it might appear dimmer than usual.

If you experience any of these symptoms, it’s highly likely your key fob battery cr1620 needs replacing.

How to Replace a CR1620 Key Fob Battery

Replacing a key fob battery cr1620 is often a simple DIY task. While the exact process varies depending on the car model, the general steps are similar. You may find our article on how to change battery in 2019 ram key fob helpful.

1. Locate the Battery Compartment: This is usually on the back or side of the key fob. Some key fobs require a small screwdriver to open the compartment, while others have a release latch. See our article on 2012 ram key fob battery change for a specific example.
2. Remove the Old Battery: Carefully pry out the old CR1620 battery.
3. Insert the New Battery: Make sure the positive (+) side of the new battery faces the correct direction.
4. Close the Compartment: Snap the compartment shut or secure it with the screw.
5. Test the Key Fob: Ensure all buttons are functioning correctly.

Remember to dispose of the old battery properly. For more detailed instructions on changing a Ram key fob battery, check out our guide on how to change ram key fob battery. We also have a guide specifically for the 2013 Dodge Ram: how to change battery in 2013 dodge ram key fob.

Troubleshooting Key Fob Issues

Sometimes, even after replacing the key fob battery cr1620, issues may persist. This could be due to several reasons, such as:

• Key Fob Programming: The key fob might need to be reprogrammed.
• Faulty Key Fob: The key fob itself might be malfunctioning.
• Car Receiver Issues: There could be a problem with the car’s receiver.

If you’ve tried replacing the battery and the key fob still isn’t working, consult a qualified automotive locksmith or your car’s dealership for further assistance.

Conclusion

Knowing about your key fob battery cr1620 and how to replace it is essential for every car owner. By understanding the signs of a dying battery and following the simple replacement steps, you can avoid the frustration of a non-functional key fob.

FAQ

1. How long does a CR1620 key fob battery last? Typically, 3-4 years.
2. Where can I buy a CR1620 battery? Most hardware stores, pharmacies, and online retailers.
3. Can I use a different battery type in my key fob? No, using the correct battery type is crucial.
4. What if my key fob still doesn’t work after replacing the battery? You may need to reprogram the key fob or have the car’s receiver checked.
5. How do I know if my key fob needs reprogramming? Symptoms include intermittent functioning or complete unresponsiveness.
6. Can I reprogram my key fob myself? Some cars allow self-programming, but others require professional assistance.
7. What should I do with the old key fob battery? Dispose of it properly at a designated battery recycling location.

Need help with your car key fob? Contact us via WhatsApp: +1 (641) 206-8880 or visit us at 1326 N Houston St, Amarillo, TX 79107, USA. We have a 24/7 customer support team.