Subaru Key Fob Battery Replacement Guide
Wondering how to replace your Subaru key fob battery? This guide is here to help! Over time, your key fob battery will wear out.
This can make it hard to get into your car. It’s important to keep your key fob working well for your car’s security and ease of use.
This guide will walk you through replacing your key fob battery yourself. You’ll first find out what battery size you need.
This might be a CR2032 for newer fobs, a CR2025 for older teardrop ones, or a CR1620 for metal fobs. With a small flathead screwdriver, you can do this easily.
We’ll show you how to do it step by step. You’ll learn how to replace the battery and test your key fob.
You’ll also get tips on making your battery last longer and when to get help from a pro. Keep reading to make your key fob work again!
What’s The Importance of Your Subaru Key Fob?
Your Subaru key fob is key to getting into your car. It lets you lock and unlock your doors from a distance. This makes getting into your car easy and safe.
Without a working key fob, you might need to carry a physical key. This could be risky or slow you down when you need to get into your car.
Keeping your key fob in good shape is important. Replacing the battery can fix most problems with your remote.
About 70% of people can do this on their own, showing it’s not hard. Regular care for your key fob can stop small problems from getting bigger.
Paying attention to alerts and knowing when the battery is low helps. A good key fob makes getting into your car easy and safe, showing how important it is.
Signs Your Subaru Key Fob Battery is Low
You might notice your Subaru key fob isn’t working as well as it used to. If it takes more presses to work, it’s a sign the battery is running low. Also, if you have to stand closer to your car to lock or unlock it, that’s another clue.
When your key fob takes longer to respond, it’s a clear sign of a low battery. If it doesn’t beep when you lock or unlock the doors, it’s time to check the battery. Dimming LED lights on the fob also mean it’s time for a new battery.
Ignoring these signs can leave you without a working key fob. Replacing the battery when you first notice issues can save you from being stuck outside your car.
Common Types of Subaru Key Fob Batteries
Subaru key fobs come in different types based on their model and age. Knowing the right battery size for your Subaru can save you time and trouble. Here are the most common Subaru key fob batteries:
- CR2032: This battery fits newer, rectangular key fobs.
- CR2025: Used in some older models with a teardrop shape.
- CR1620: Found in older metal key variants with buttons.
You can find these batteries at local hardware stores or Subaru dealerships. Each model has its own needs, so always check your vehicle’s manual. Keeping your key fob batteries in good shape boosts security and makes driving more convenient.
Your Guide to Subaru Key Fob Battery Replacement
Replacing your Subaru key fob battery is easy with the right tools and steps. Here, you’ll get a detailed guide on what tools you need and how to replace the battery.
Tools You Will Need
- Small flathead screwdriver
- Replacement battery (check your key fob type for specifications)
- Small bowl for holding small parts during replacement
Step-by-Step Instructions
- First, figure out what type of key fob you have to match the new battery.
- Next, use a small flathead screwdriver to open the key fob. Be gentle to avoid damage.
- Take out the old battery and put in the new one. Make sure the positive and negative sides are right.
- Close the key fob back up and check if it works with your car.
Subaru Key Fob Battery Replacement: Detailed Steps
Replacing your Subaru key fob battery is easy. Knowing your key fob type helps you follow the steps. This guide will walk you through identifying your key fob, opening it, replacing the battery, and testing it.
Identifying Your Key Fob Type
Start by figuring out what type of key fob you have. Subaru has made many designs over time. Knowing this helps with the next steps.
Opening the Key Fob
To open your key fob, look for the silver tab on older models. Use a small screwdriver to pry it open. Be careful not to damage it. For newer designs, the process might be different, so be cautious.
Replacing the Battery
After opening, remove the old battery carefully. Note its orientation before you take it out. Put in the new battery, making sure it’s in the right way. Subaru key fobs usually need CR2025 or CR2032 batteries, which are reliable.
Reassembling and Testing the Key Fob
Close the key fob back up after replacing the battery. Make sure everything fits well. Test the key fob to see if it works right. If it does, you’ve done it right. If not, check your battery installation again.
Best Battery for Subaru Key Fob
Choosing the right battery for your Subaru key fob is key. Opt for top brands like Energizer or Panasonic for the best results. These batteries ensure your key fob works well for a long time.
For newer Subaru key fobs, the CR2032 battery is the go-to. Older models might need a CR2025. And if your key fob has buttons, a CR1620 is what you need.
Don’t go for cheap batteries. They can make your key fob fail early. Replacing the battery can fix 75% of problems. It costs between $5 and $30, which is a small price to pay.
Replacing the battery can fix 90% of remote failures. Always test your key fob after replacing the battery. Press the lock, unlock, and alarm buttons to make sure it works.
Using reliable batteries keeps your Subaru key fob in top shape. Make sure you have spare batteries. You can find them at hardware stores and Subaru dealerships.
How to Extend Your Subaru Key Fob Battery Life
To make your Subaru key fob battery last longer, try a few simple steps. First, only press buttons when you really need to. This helps save battery life. Also, keep your key fob away from extreme heat or cold. These temperatures can harm the battery.
It’s important to check your key fob’s battery often. This way, you can replace it before it runs out. Making a few small changes in how you use and care for your key fob can really help. This ensures your key fob works well for a longer time.
Understanding Subaru Key Fob Programming
After replacing the battery in your Subaru key fob, you might find it unresponsive. In such cases, Subaru key fob programming may be necessary. Each Subaru model has its own programming methods, often found in the owner’s manual. Knowing these steps can save you time when reprogramming your key fob.
Typically, you’ll need to do a series of actions with the door locks and key insertions. These actions help reconnect your key fob to your vehicle. If troubleshooting doesn’t solve the issue, consider contacting a Subaru dealership or a skilled automotive locksmith for help.
Potential Issues After Battery Replacement
Even after replacing the battery in your Subaru key fob, you might face some issues. These can include putting the battery in wrong, fobs not working right, and problems with compatibility. Make sure the battery is placed correctly to avoid any issues.
Broken buttons on the key fob are another common problem. You might see buttons working sometimes but not others. If this happens, you might need to get a new key fob or remote housing.
Also, faulty locks can be a problem. You might find that some doors open but not others. If the indicator lights flash but doors don’t unlock, you might need to replace the car lock.
Deprogramming can also happen. This might occur if you accidentally press buttons, making all keys invalid. If many key fobs stop working after a battery change, you might need to self-program or contact a dealership.
A damaged key fob from water, strong impacts, or scratches can fail completely. If your key fob is badly damaged, you’ll need a new one. Modern cars with onboard electronics might need a short drive to adjust after a battery change.
In summary, while replacing the key fob battery is usually easy, knowing about possible issues can help avoid trouble.
| Problem | Symptoms | Solution |
|---|---|---|
| Broken Buttons | Intermittent functionality | Replace car key fob/remote housing |
| Faulty Locks | Some doors won’t open remotely | Replace car lock |
| Deprogrammed Fob | Multiple fobs fail to operate | Self-program or contact dealership |
| Damaged Fob | Sudden failure | Full key fob replacement |
When to Consult a Professional for Key Fob Issues
Dealing with a stubborn Subaru key fob can be really annoying. Even after trying the simple fixes, like replacing the battery, you might need help. If your key fob won’t work or seems to drain batteries fast, it’s time to get professional assistance.
Many times, key fob problems come from physical damage, like water or drops. About 20% of issues are caused by these. Also, pressing buttons too much when you’re far away can cause problems for 10-15% of users. These cases might need special help from a pro.
If your key fob won’t sync after a battery change or shows warning lights, you should get expert advice. A pro can figure out complex issues that DIY fixes can’t solve. If you’re not sure how to reprogram, a Subaru dealership or a locksmith can help. They’ll save you a lot of time and stress.
Conclusion
Replacing your Subaru key fob battery is easy with the right tools and knowledge. Knowing how to replace it helps keep your car accessible. It’s key to know when your battery is low to avoid problems.
To keep your key fob working well, follow some simple tips. Avoid pressing buttons when you’re far away and keep it dry and safe. If you have ongoing issues after replacing the battery, a pro can help. This way, your Subaru key fob will last for many years.
In short, taking care of your key fob makes your car better and saves you money. Stay on top of your key fob’s needs for the best performance and peace of mind.
FAQs
How often should I replace my Subaru key fob battery?
You should replace your Subaru key fob battery every 1-2 years. Do it when you see signs like a shorter range or slower responses.
What battery size do I need for my Subaru key fob?
Subaru key fobs often use CR2032, CR2025, or CR1620 batteries. The right size depends on your key fob’s model and age.
How do I know if my Subaru key fob battery is dead?
A dead battery shows when you can’t lock or unlock your car remotely. You might also hear fewer beeps or need to press buttons more times.
Can I reprogram my Subaru key fob after replacing the battery?
Yes, if your key fob doesn’t work after a battery change, it might need reprogramming. Check your owner’s manual for how to do it.
What is the best battery brand for Subaru key fobs?
For Subaru key fobs, Energizer and Panasonic are top choices. They’re known for lasting a long time and working well.
What should I do if my Subaru key fob doesn’t work after replacing the battery?
If your key fob is not working, double-check the battery’s orientation and type. If it’s not fixed, you might need a pro’s help.
How can I extend the battery life of my Subaru key fob?
To make your key fob battery last longer, use buttons less when you don’t have to. Store it in a cool, dry spot. And always check the battery’s status.
