Step-by-Step Guide: How to Change Key Fob Battery 2019 Nissan Sentra
What To Know
- Thankfully, changing the battery in your 2019 Nissan Sentra key fob is a simple task that anyone can do.
- Once the new battery is in place, carefully snap the two halves of the key fob back together.
- If the buttons on your key fob are not responding, the problem could be a faulty button or a damaged circuit board.
Your 2019 Nissan Sentra key fob is a vital part of your car’s security system, allowing you to lock, unlock, and start your vehicle. But like all batteries, the one in your key fob eventually runs out. When this happens, you’ll find yourself struggling to unlock your car or start the engine. Thankfully, changing the battery in your 2019 Nissan Sentra key fob is a simple task that anyone can do. This guide will walk you through the process step-by-step, ensuring you can get back on the road in no time.
Gathering Your Tools and Materials
Before you begin, make sure you have the following items:
- A new CR2032 battery: This is the specific type of battery used in the 2019 Nissan Sentra key fob. You can find these at most convenience stores, drugstores, and electronics retailers.
- A small flathead screwdriver: This will be used to pry open the key fob.
- A small coin or similar object: This will be used to help remove the battery.
Identifying Your Key Fob
The first step is to identify the correct key fob for your 2019 Nissan Sentra. There are two common types:
- Standard Key Fob: This type has a single button for locking and unlocking the doors.
- Smart Key Fob: This type has multiple buttons, including those for unlocking, locking, panic, and trunk release. It also has a built-in proximity sensor for keyless entry.
Disassembling the Key Fob
Once you have your tools and materials, you can begin disassembling the key fob. Here are the steps:
1. Locate the seam: Look for a seam running around the perimeter of the key fob. This seam is usually located on the side or back of the fob.
2. Insert the screwdriver: Carefully insert the tip of your flathead screwdriver into the seam.
3. Pry open the fob: Gently pry the two halves of the key fob apart. You may need to use a bit of force, but be careful not to bend or damage the plastic.
Replacing the Battery
Once the key fob is open, you will see the battery inside. Follow these steps to replace it:
1. Remove the old battery: Use your finger or the small coin to carefully pry out the old battery.
2. Insert the new battery: Insert the new CR2032 battery into the battery compartment. Make sure the positive (+) side of the battery is facing up.
3. Reassemble the key fob: Once the new battery is in place, carefully snap the two halves of the key fob back together.
Testing the Key Fob
After you’ve reassembled the key fob, test it to make sure the new battery is working. Try locking and unlocking your car doors, and start the engine using the key fob. If everything works correctly, you’ve successfully replaced the battery.
Important Considerations
- Battery disposal: Dispose of the old battery properly. Do not throw it in the trash. Many communities have battery recycling programs.
- Key fob programming: In some cases, you may need to reprogram your key fob after replacing the battery. Consult your owner’s manual or contact your local Nissan dealership for instructions.
- Battery life: While a CR2032 battery typically lasts for several years, its lifespan can be affected by factors such as temperature and usage.
Maintaining Your Key Fob
To ensure your key fob continues to function properly, follow these tips:
- Keep it clean: Wipe down the key fob regularly with a soft cloth to remove dirt and grime.
- Avoid extreme temperatures: Avoid exposing your key fob to extreme heat or cold, as this can damage the battery.
- Store it properly: When not in use, store your key fob in a cool, dry place.
Troubleshooting Common Issues
- Key fob not working: If your key fob still doesn’t work after replacing the battery, check the battery connections to ensure they are secure. Also, try reprogramming the key fob.
- Key fob buttons not responding: If the buttons on your key fob are not responding, the problem could be a faulty button or a damaged circuit board. Contact your local Nissan dealership for repair.
Wrapping Up: Mastering Your Key Fob
Changing the key fob battery in your 2019 Nissan Sentra is a simple process that can be done in minutes. By following these steps and keeping your key fob in good working condition, you can ensure you’re always ready to unlock your car and hit the road.
What People Want to Know
Q: How often should I replace the battery in my key fob?
A: The battery in your key fob typically lasts for 2-3 years. However, this can vary depending on usage and environmental factors. If you notice your key fob is becoming less responsive, it’s time to replace the battery.
Q: What happens if I use the wrong battery in my key fob?
A: Using the wrong battery type can damage your key fob. Always use a CR2032 battery.
Q: Can I use a rechargeable battery in my key fob?
A: While rechargeable batteries are available, they are not recommended for key fobs. Rechargeable batteries often have a lower voltage than standard batteries, which can affect the key fob’s performance.
Q: What should I do if my key fob is damaged?
A: If your key fob is damaged, contact your local Nissan dealership for repair or replacement.