Change Your Key Fob Game: How to Change Key Fob Battery Lexus ES 350 – Step-by-Step Instructions
What To Know
- Your Lexus ES 350 is a beautiful machine, but a dead key fob battery can quickly turn your luxury ride into a frustrating ordeal.
- The key fob battery compartment is located on the back of the key fob.
- If the battery is installed correctly, the LED light on the key fob should illuminate when you press a button.
Your Lexus ES 350 is a beautiful machine, but a dead key fob battery can quickly turn your luxury ride into a frustrating ordeal. Don’t let a drained battery keep you from enjoying your ES 350! This comprehensive guide will walk you through the process of replacing the key fob battery, ensuring you’re back on the road in no time.
Gathering Your Supplies
Before you embark on this simple task, make sure you have the following items:
- New battery: The Lexus ES 350 key fob uses a CR2032 battery. You can find these at most electronics stores, supermarkets, or online retailers.
- Small flathead screwdriver: This will be used to pry open the key fob.
- Optional: Tweezers: These can be helpful for removing the old battery.
Identifying the Battery Compartment
The key fob battery compartment is located on the back of the key fob. Look for a small, slightly recessed area with a seam running across it.
Opening the Key Fob
1. Locate the seam: Find the seam running across the back of the key fob.
2. Insert the screwdriver: Gently insert the flathead screwdriver into the seam.
3. Pry open the fob: Carefully pry the two halves of the key fob apart. Be gentle to avoid damaging the key fob’s casing.
Replacing the Battery
1. Remove the old battery: The battery will be visible inside the key fob. Use your fingers or tweezers to carefully remove the old battery.
2. Insert the new battery: Align the new CR2032 battery with the positive (+) and negative (-) terminals inside the key fob. The positive side of the battery should face up.
3. Secure the battery: Gently press the battery into place until it clicks.
Closing the Key Fob
1. Align the halves: Carefully align the two halves of the key fob. Make sure the edges of the key fob match up perfectly.
2. Snap the halves together: Gently press the two halves together until they snap securely into place.
Testing the New Battery
1. Press any button: Press any button on the key fob to test if it’s working.
2. Check the LED: If the battery is installed correctly, the LED light on the key fob should illuminate when you press a button.
Troubleshooting Common Issues
- Key fob doesn’t work: If the key fob still doesn’t work after replacing the battery, double-check the battery’s orientation. Make sure the positive (+) side is facing up.
- Key fob won’t unlock the car: If the key fob won’t unlock your Lexus ES 350, try pressing the unlock button multiple times. You may also need to reprogram the key fob after replacing the battery.
- Key fob won’t start the car: If the key fob won’t start your ES 350, check the battery in your car’s key ignition cylinder. You may also need to have your car’s key fob programmed by a qualified mechanic.
Important Tips
- Battery life: A CR2032 battery typically lasts for 1-2 years. It’s a good idea to replace the battery every year or two to prevent any unexpected issues.
- Proper disposal: Dispose of the old battery properly. Batteries should not be thrown in the trash. Check with your local recycling center for proper disposal instructions.
- Professional help: If you’re experiencing any persistent issues with your key fob, it’s best to consult a qualified mechanic.
Beyond the Battery: Maintaining Your Lexus ES 350 Key Fob
While replacing the battery is crucial, there are other steps you can take to prolong the life of your Lexus ES 350 key fob:
- Avoid extreme temperatures: Extreme heat or cold can damage the battery and the key fob’s electronics. Store your key fob in a cool, dry place when not in use.
- Protect from moisture: Water damage can also damage the key fob. Keep it dry and avoid exposing it to rain or spills.
- Regular cleaning: Dust and dirt can accumulate on the key fob, interfering with its functionality. Wipe it down with a soft cloth periodically.
Time to Hit the Road!
Now that you’ve successfully replaced the battery in your Lexus ES 350 key fob, you’re ready to enjoy your luxurious ride once again. Remember to check the battery regularly and follow the maintenance tips to keep your key fob functioning smoothly for years to come.
Answers to Your Questions
Q: How long does a CR2032 battery last in a Lexus ES 350 key fob?
A: A CR2032 battery typically lasts for 1-2 years in a Lexus ES 350 key fob. However, battery life can vary depending on usage and environmental conditions.
Q: What happens if I put the battery in the wrong way?
A: Inserting the battery with the positive (+) side facing down can damage the key fob‘s electronics. It’s important to ensure the positive side of the battery is facing up.
Q: Can I reprogram the key fob myself?
A: Reprogramming a Lexus ES 350 key fob can be complex. It’s best to consult a qualified mechanic or dealership for assistance.
Q: What should I do if my key fob is damaged?
A: If your key fob is damaged, it’s best to contact a dealership or qualified mechanic for a replacement. They can ensure the new key fob is properly programmed for your vehicle.