How to Change the Battery in Your Nissan Key Fob

Did your key fob just stop working and now you are wondering how do you change battery in Nissan key fob? This little technical hiccup can catch you off guard, but we’re here to help. Whether you are a Nissan car owner or are looking to assist one, changing the battery in Nissan key fob is part of a vital skill set.

Follow along with our guide to replace and change Nissan key battery in no time, so you can get back into your car and on with your next outing. We’ll answer common questions and give you the insights you need for your Nissan. Let’s get to it.

What You Need for Nissan Key Battery Replacement

To start with how to change a battery on a Nissan key fob, have these items readily available to begin your Nissan key battery change:

1. Replacement Battery: Most Nissan key fobs use a CR2025 or CR2032 3V lithium battery.
2. Flathead Screwdriver or Thin Tool: A small flathead screwdriver or thin blade can help pry open the key fob.
3. Clean Cloth or Compressed Air Can (Optional): To wipe down and remove any fingerprints or debris on the battery and contacts and clean out the contents of the battery compartment.

Identifying the Correct Battery Type (CR 2032)

When replacing your Nissan key fob battery, it’s essential to identify the correct battery type. Typically, it is a CR2032 lithium coin battery – a compact, long-lasting battery. If you are unsure of the specific type, always check your vehicle’s manual or the existing battery’s etched markings to ensure it will be compatible before you buy a replacement.

How to Change the Battery on a Nissan Key: Step-by-Step

Once you have identified and acquired your battery and tools, you are ready to change battery in Nissan key fob. Follow the four steps below and refer to the diagram for a visual guide.

STEP 1: Locate the Latch at the Back of The Key and Slide it to Eject the Emergency Key.

Slide the latch to the side. Then, the emergency manual key will pop out or can be easily pulled free.

STEP 2: Take a Small Flathead Screwdriver and Insert It Into the Gap in the Emergency Key Socket and Twist to Open the Key Cover Exposing the Battery.

Carefully insert the small flathead screwdriver into the gap of the emergency key socket on the key fob. Gently twist the screwdriver to pry the key cover apart, to reveal the battery compartment. Be sure not to apply excessive force to avoid damaging the plastic housing or internal components.

STEP 3: The Battery is Removed and Replaced Making Sure the Battery is Placed According to the Terminals.

Once you have the key fob open, note the battery’s orientation within the compartment. Then, gently remove the old battery. You can clean out the compartment if needed with a cloth or compressed air and remove any protective tape from the new coin battery. Then, insert the new coin battery and ensure the positive (+) and negative (-) sides face the corresponding terminals.

Tip: Correct placement is essential for the key fob to function, so double-check the orientation before snapping the cover back on.

STEP 4: Put Back the Key Cover and Insert Back the Emergency Key. The Key is Ready for Use.

After replacing the battery, make sure the cover clicks securely. Then, slide the emergency key back into its slot until it locks in position. You just completed a Nissan key fob battery change!

Common Issues and Troubleshooting

After accomplishing a Nissan key battery change, your Nissan key fob may occasionally encounter issues that prevent it from working properly. Common problems include signal interference, misaligned battery placement, or internal wear and tear of the fob compartment. We identify these issues and provide troubleshooting tips below to help restore your key fob’s functionality swiftly and successfully.

Testing the Key’s Functionality After Battery Replacement

One way to check your work after a change battery for Nissan key? Run a test. Try locking and unlocking the car, pushing the panic button, or using any remote start features. If the key fob doesn’t respond, troubleshoot by double-checking the battery orientation and ensuring the cover is securely in place.

Solutions for Potential Key Problems

If your key fob still isn’t working after replacing the battery, there may be an issue with the internal components or programming. If the problem persists, try reprogramming the key fob with the steps below or consult a professional to check for deeper mechanical or electrical issues. For added safety during these situations, consider installing Ghost Immobilisers to prevent key-cloning, hacking and all forms of unauthorised access to your Nissan.

How to Reprogram Your Nissan Key Fob

In the case of deprogramming, here is how to reset your Nissan key fob programming:

1. Enter Your Vehicle: You may need to use the emergency key to open the car. Then, sit in the driver’s seat and make sure all doors are closed. Insert your key into the ignition.
2. Turn the Ignition On and Off: Turn the key to the “ON” position (do not start the car). Then, turn it back off – repeat this step quickly 6 times within 10 seconds. The hazard lights will flash to indicate the programming mode activation.
3. Program the Key Fob: Within 10 seconds of entering programming mode, press any button on the key fob. The hazard lights will blink again, confirming that the fob has been programmed.Note: If your vehicle has multiple fobs, you will need to repeat this step for each additional fob.
4. Exit Programming Mode: Turn the key to the “OFF” position and remove it from the ignition. The hazard lights will flash again, signalling that the programming process is complete.
5. Test the Key Fob: Finally, run another test on all of the buttons on your Nissan key fob (lock, unlock, panic, etc.) to ensure they work properly.

If this reprogramming session is not successful, you may need to get a Nissan car key replacement.

Maintaining Longevity and Optimal Performance

To ensure your Nissan key fob upholds and extends its longevity, regularly check the battery, replace it when the signal weakens (noticeable with a dimmed LED light), and be proactive when you notice irregularities.

Regular Battery Replacement Intervals

Keep your Nissan key fob reliable by replacing the battery at regular intervals, usually every 1 to 2 years, though they can last 3-4 years. Depending on usage, you may notice a dimmed LED light, a decrease in the fob’s range or a delayed response time when it’s time for a new battery. By staying proactive and timely with battery replacements, you can avoid unexpected key fob failures and ensure consistent performance.

Additional Tips for Key Care and Maintenance

For a longer lifespan, keep your Nissan key fob well cared for and prolong its lifespan by:

• Keeping The Key Fob Clean: Wipe it with a soft cloth as needed.
• Avoid Exposing It To Extreme Conditions: Avoid intense temperatures or moisture.
• Storing The Key Fob Away From Electronic Devices: This will avoid chances of interference, helping maintain its functionality over time.

Tip: As an added step, also consider storing it in a protective case to safeguard it from scratches and wear, as well as having a set of spare car keys on standby.

FAQs

What kind of battery does my Nissan key fob need?

The typical battery used in the Nissan key fobs includes either a CR2025 or a CR2032 3V battery. For clarity and convenience, check your owner’s manual for details on which battery your key fob takes. These batteries are usually stocked in local hardware stores, grocers, or auto parts centres.

Can you replace a Nissan key fob battery by yourself?

Yes, you can change your Nissan key fob battery. It is a simple process that you can do yourself with the use of our how to change battery on Nissan key guide. You just need to have your new battery and flathead screwdriver or a handy tool readily available.

Do you have to reprogram a key fob after changing the battery Nissan?

You should not have to reprogram your Nissan key fob – it should be immediately ready for use after replacing the battery. However, if you experience any difficulty after replacing the battery, there is a chance it may have been deprogrammed. We show you how to reprogram your Nissan key fob with our guide.