The Nissan key fob, a compact device integral to your vehicle’s operation, houses a small battery that powers its various functions, such as locking and unlocking doors, activating the alarm, and opening the trunk. Over time, this battery may deplete, requiring replacement to ensure uninterrupted functionality of your key fob. This guide will provide you with a step-by-step process on how to change the battery in a Nissan key fob, empowering you to restore its operation and maintain your vehicle’s convenience.
To commence the process, you will require a new battery, the type of which may vary depending on your specific Nissan model. Consult your owner’s manual to determine the correct battery type. Once you have acquired the necessary battery, gather your tools, which typically include a small flathead screwdriver or a coin. With these items at hand, you are ready to embark on the battery replacement procedure.
To initiate the process, locate the small indentation or seam on the key fob’s case. Carefully insert your flathead screwdriver or coin into the indentation and gently pry open the case. This may require some maneuvering, so apply caution to avoid damaging the key fob. Once the case is open, identify the battery, which is usually held in place by a small metal clip or bracket. Carefully release the clip or bracket and remove the old battery. Note its orientation and position it correctly when inserting the new battery.
Identifying the Battery Type
Step 1: Remove the Key from the Fob
Locate the small release button on the side of the key fob, usually in the center. Press the button and pull the key out of the fob.
Step 2: Open the Key Fob
Most key fobs have a small notch or seam on the back. Use a flathead screwdriver or a small pry tool to gently insert into the notch and pry open the fob.
Step 3: Inspect the Battery
Once the fob is opened, you will see the battery. Take note of its shape, size, and voltage. Common battery types for Nissan key fobs include:
| Battery Type | Shape | Voltage |
|---|---|---|
| CR2025 | Button cell | 3 volts |
| CR2032 | Button cell | 3 volts |
| AAA | Cylindrical | 1.5 volts |
| CR2016 | Button cell | 3 volts |
Step 4: Check the Battery Voltage
If you have a multimeter, it’s recommended to measure the voltage of the battery. A fully charged battery should read around its nominal voltage. For instance, a CR2025 battery should read approximately 3 volts. If the voltage is significantly lower, the battery needs to be replaced.
Step 5: Purchase a Replacement Battery
Once you have identified the battery type and checked its voltage, you can purchase a replacement battery at most hardware stores or online retailers. Ensure you buy the same type and voltage as the original battery.
Testing the Key Fob’s Functionality
1. Lock and Unlock the Vehicle
Press the lock button on the key fob. Verify that the vehicle’s doors lock, and then press the unlock button to ensure that they unlock.
2. Check the Indicator Lights
When you press the lock or unlock buttons, observe the indicator lights on the key fob. They should illuminate momentarily to confirm that the signal has been received by the vehicle.
3. Try Remote Start (if Applicable)
If your Nissan vehicle is equipped with remote start, press the designated button on the key fob. The vehicle should start if the key fob is within range and has a working battery.
4. Test the Panic Button
Press the panic button on the key fob. The vehicle’s horn will sound and the lights will flash to alert others of an emergency situation.
5. Check the Battery Indicator
Some Nissan key fobs have a battery indicator that will alert you when the battery is low. Look for a battery symbol or a message on the key fob’s display.
6. Inspect the Key Fob Buttons
Examine the buttons on the key fob for any signs of damage or wear. If the buttons appear worn or stuck, they may need to be replaced.
7. Check the Key Fob’s Antenna
The key fob’s antenna is a small, exposed component that transmits signals to the vehicle. Ensure that the antenna is not damaged or obstructed.
8. Rule Out Other Issues
If the key fob is not functioning correctly after testing its functionality, consider the following potential issues:
| Issue | Troubleshooting Steps |
|---|---|
| Interference from Other Devices | Move away from other devices that may emit radio signals, such as smartphones or electronic gadgets. |
| Low Battery in the Vehicle | Check the vehicle’s battery status. A weak battery can interfere with the key fob’s functionality. |
| Damaged Key Fob Receiver in the Vehicle | Contact an authorized Nissan dealership for diagnosis and repair of the key fob receiver. |
| Faulty Key Fob Transmitter | Replace the key fob with a new one. Consult a Nissan dealership or a qualified automotive locksmith. |
Comprehensive Guide to Battery Replacement for Nissan Versa Key Fob
4. Detailed Steps to Replace the Battery
a. Locate the Battery Compartment
The battery compartment is typically located on the back or bottom of the key fob. Identify the small, rectangular cover with a button or lever.
b. Open the Battery Compartment
Depending on the key fob model, you may need to press the button or slide the lever to release the battery compartment cover. Be gentle to avoid damaging the cover.
c. Remove the Old Battery
Once the compartment is open, gently pry out the old battery using a small tool like a flathead screwdriver or a plastic spudger. Grip the battery firmly, avoiding touching the terminals with your bare hands.
d. Clean the Battery Contacts
Before inserting a new battery, inspect the battery terminals in the compartment. If there is any corrosion or debris, use a clean cotton swab or a soft brush to gently scrub them until they are clean.
e. Insert the New Battery
Carefully align the positive (+) and negative (-) terminals of the new battery with the corresponding terminals in the compartment. Press down gently but firmly to secure the battery in place.
f. Close the Battery Compartment
Replace the battery compartment cover and firmly press or slide it back into its original position. Make sure the cover snaps securely into place.
g. Test the Key Fob
Press any button on the key fob to ensure it is functioning properly. If the buttons are not responding, double-check that the battery is correctly inserted and the battery compartment is securely closed.
h. Additional Tips for Battery Replacement
* Refer to your Nissan Versa owner’s manual for specific instructions on battery replacement.
* Use the correct battery type specified in the manual or recommended on the key fob itself.
* Avoid touching the new battery terminals with your bare hands, as oils from your skin can shorten its lifespan.
* Dispose of the old battery responsibly at a designated recycling center.
* If you encounter any difficulties or the key fob still does not work after replacing the battery, contact a qualified Nissan technician.
| Battery Type | Common Nissan Versa Models |
|---|---|
| CR2025 Lithium Coin Battery | 2007-2012 Nissan Versa |
| CR2032 Lithium Coin Battery | 2013-2019 Nissan Versa |
How To Change Battery In Key Fob Nissan
To change the battery in a Nissan key fob, you will need a small Phillips head screwdriver and a new CR2025 battery. Here are the steps on how to do it:
- Use the screwdriver to remove the two screws that hold the key fob together.
- Gently pry the two halves of the key fob apart.
- Locate the battery and remove it from its holder.
- Insert the new battery into the holder with the positive side facing up.
- Snap the two halves of the key fob back together.
- Tighten the two screws.
- Test the key fob to make sure it is working properly.
People Also Ask About 123 How To Change Battery In Key Fob Nissan
What type of battery does a Nissan key fob use?
Nissan key fobs use a CR2025 battery.
How long does a Nissan key fob battery last?
A Nissan key fob battery typically lasts for about two years.
How do I know if my Nissan key fob battery is dead?
There are a few signs that your Nissan key fob battery may be dead, including:
- The key fob does not work consistently or at all.
- The LED light on the key fob is dim or does not light up at all.
- The key fob has to be held close to the door or ignition in order to work.
