If you are a proud owner of a Subaru, you’re likely already familiar with the convenience of keyless entry.
But what happens when your trusty key fob starts to lose its power? You will need Subaru key fob battery replacement.
The Subaru key fob is a convenient and essential accessory for any Subaru owner. It allows you to control your vehicle with remote control functions.
It can control various functions of your vehicle, including starting the engine, locking and unlocking the doors, opening the trunk, and activating the panic alarm.
However, as with any electronic device, the battery in your Subaru key fob will eventually need to be replaced.
Moreover, replacing the battery in your Subaru key fob is a simple process that can be done in just a few minutes with the right tools and materials.
In this discussion, we will talk about the importance of replacing the battery in your Subaru key fob and how to do it yourself.
7-Steps On Subaru Key Fob Battery Replacement
A convenient electronic tool called a Subaru key fob makes it simple but secure to access the car. It has three fundamental features: remote starting, lock, and unlock.
With the remote start feature, you may easily start the vehicle by quickly pushing the start button twice in a three-second period.
But, if a time comes when you need to replace the key fob, you should know how to do it. Below are some easy steps for Subaru key fob battery replacement.
Step 1: Gathering Tools and Supplies
Before beginning the battery replacement process, it is important to gather the necessary tools and supplies.
You will need a small flat-head screwdriver and a replacement battery that is the same as the one currently in your key fob.
Step 2: Removing the Key Fob Cover
Begin by using the flat-head screwdriver to gently pry open the key fob cover.
This is placed on the back of the key fob and can be opened by gently prying the cover apart at one of the seams. Be careful not to damage the key fob or bend the metal key.
Step 3: Removing the Dead Battery
Once the key fob cover is removed, you will be able to access the battery compartment.
Carefully remove the dead battery from the compartment and dispose of it properly.
Step 4: Installing the New Battery
Take the replacement battery and place it in the battery compartment with the positive side facing up.
After that, make sure the battery is securely in place, and the contacts are touching the corresponding metal contacts in the key fob.
Step 5: Reassembling the Key Fob
Close the key fob cover and snap it back into place. Therefore, the key fob should now be fully reassembled and ready to be used.
Additionally, you must ensure to see if it is properly assembled and no loopholes are left behind.
Step 6: Testing the Key Fob
Before using your key fob, it is important to test it to ensure it is functioning properly.
Try pressing the buttons on the key fob to see if it is sending signals to your car. If the key fob is working correctly, it should lock and unlock the doors and start the engine.
Step 7: Storing the Key Fob
Once you have confirmed that the key fob is functioning properly, it is important to store it in a safe place where it will not get damaged or lost.
Also, consider keeping it in a key fob holder or in a protected location in your car or purse.
What Is Subaru Key Fob & Its Advantages
A Subaru key fob is a small electronic device that is used to remotely control certain functions of your vehicle.
The key fob typically communicates with your vehicle wirelessly, allowing you to start the engine, lock and unlock the doors, or handle other features effortlessly.
The basic advantages of a Subaru key fob are.
- One of the main advantages of a Subaru key fob is that it allows you to control many functions of your vehicle without having to physically touch the vehicle. This can be especially convenient in bad weather, when you have your hands full, or when you are approaching the vehicle in a dark or unfamiliar area.
- Another advantage of a Subaru key fob is that it can increase the security of your vehicle. For example, you can lock the doors or activate the panic alarm from a distance if you suspect someone is trying to break into your vehicle.
- Subaru key fobs are designed to be easy to use and typically feature simple, intuitive buttons. With just a few button presses, you can start the engine, lock and unlock the doors, open the trunk, or activate the panic alarm, making it quick and simple to control your vehicle.
Subaru Key Fob Battery Type
Subaru key fobs typically use small, coin-cell batteries, also known as button batteries.
The exact type of battery used can vary depending on the specific model of the key fob.
Remember that it’s important to use the correct type of battery for your specific model of the key fob to ensure proper function and avoid damaging the key fob or your vehicle.
Therefore, always consult your owner’s manual or a repair manual for your vehicle for more information on the recommended battery for your key fob.
Additionally, some common types of batteries used in Subaru key fobs include:
- CR2025: This is a 3V lithium coin-cell battery that is commonly used in small electronic devices, including key fobs.
- CR2032: This is also a 3V lithium coin-cell battery, but it has a higher capacity than the CR2025.
- CR2016: This is a 3V lithium coin-cell battery that is similar to the CR2025, but it has a lower capacity.
Subaru Key Fob Low Battery Warning (7-Symptoms)
If you want to know about Subaru key fob low battery warning signs, you must have the key in use.
The computer keeps track of the output voltage of the fob’s battery while the key is in use.
The warning light on the dash will turn on to alert you that it’s time to change the batteries whenever the voltage reaches a specific level.
The following indicators must be checked to go for a replacement.
1. Reduced Range
One of the first signs that your key fob battery is running low is a reduced range.
If you notice that you need to be closer to your vehicle in order for it to respond to the key fob, it’s a good indication that the battery is starting to die.
2. Slow Response
Another sign that your key fob battery is running low is a slow response time.
If it takes longer than usual for the doors to lock or unlock when you press the button, it could be a sign that the battery is weak.
3. Flickering Lights
Some Subaru vehicles have lights on the key fob that will flash when you press the buttons.
Additionally, if these lights start to flicker or are weaker than usual, it’s a sign that the battery is low and needs to be replaced.
4. Chirping Sound
Some Subaru key fobs emit a chirping sound when the battery is running low. It’s a clear indication that it’s time to replace the battery.
5. Engine Not Starting
In some cases, a low-key fob battery can even prevent the engine from starting.
If you notice that your engine isn’t turning over when you try to start it, it’s a good idea to check the battery in your key fob.
6. Dashboard Warning Light
Some Subaru vehicles have a warning light on the dashboard that will come on if the key fob battery is running low.
7. Inability to Remote Start
If your vehicle is equipped with a remote start feature, a low-key fob battery may prevent you from starting your vehicle remotely.
Therefore, if you are unable to start your vehicle with the key fob, it’s a good indication that the battery is low and needs to be replaced.
How to Extend Subaru Key Fob Battery Life
The battery life of a key fob in a Subaru can vary depending on several factors, such as the type of battery used, the frequency of use, and the age of the battery.
On average, the battery life for a Subaru key fob is about 2-3 years. Additionally, you can increase the battery life of your Subaru key fob.
Here are three ways to help to do that:
1. Reduce the frequency of use
The more you use your key fob, the faster the battery will drain. Try to limit the number of times you press the buttons on your key fob each day, and only use it when necessary.
2. Avoid extreme temperatures
Heat or cold temperature exposure can also affect the battery life of your key fob. Try to keep it in a cool, dry place when not in use to help extend the life of the battery.
3. Replace the battery promptly
If you start to notice any of the signs that your key fob battery is running low, such as reduced range, slow response time, or flickering lights, it’s a good idea to replace the battery as soon as possible.
Using a key fob with a dead battery can lead to further damage or a complete failure of the key fob, so it’s important to replace the battery promptly.
Essential FAQs About Subaru Key Fob Battery
Can you replace the key fob battery yourself?
Yes, in many cases, you can replace the key fob battery yourself. You just have to open the key fob, take out the old battery, and put the new battery in it.
Close the key fob back. It should start working.
However, the exact process can change depending on the specific model of your Subaru, so it’s a good idea to check the owner’s manual or a repair manual for your vehicle for more information.
What happens if the key fob battery dies?
If the battery in your Subaru key fob dies, you may experience a reduced range, slow response time, or flickering lights on the key fob.
In some cases, you may also be unable to start your vehicle with the key fob, or the engine may not start at all.
Can you use a 2032 battery in a Subaru key fob?
Yes, you can use a CR2032 battery in a Subaru key fob.
However, it’s important to check your specific model’s owner’s manual or a repair manual to make sure that a CR2032 battery is compatible with your vehicle’s key fob.
Do I need to reprogram my key fob after changing the battery?
In most cases, the key fob will need to be reprogrammed after changing the battery.
However, this can vary depending on the specific model of your Subaru, so it’s a good idea to consult the owner’s manual or a repair manual for your vehicle for more information.
Are CR2025 and CR2032 the same?
No, CR2025 and CR2032 are not the same. Differing battery types with different dimensions and capacities include CR2025 and CR2032.
To ensure optimal operation, it’s also crucial to utilize the right kind of battery for the key fob model you have.
Can I start my car with a dead key fob?
In most cases, you will not be able to start your car with a dead key fob.
It is because a key fob with a dead battery may not be able to communicate with your vehicle, which is necessary to start the engine.
What do I do if my Subaru key fob battery dies?
If your Subaru key fob battery dies, you will need to replace the battery.
Additionally, you can replace the battery yourself in many cases, but it’s a good idea to consult the owner’s manual or a repair manual for your vehicle for more information.
You may also be able to have the battery replaced at a dealership or by a professional auto repair shop.
Final Words
Subaru key fob battery replacement is an important task that should be done in a timely manner to ensure that it continues to function properly.
By following the proper steps, you can easily replace the battery in your key fob yourself and save time and money on a trip to the dealership or repair shop.
With the right tools and knowledge, you can have your Subaru key fob back in working order in just a few minutes.
Additionally, it’s important to keep in mind that the battery in the key fob is not the only part that may need to be replaced over time.
If you notice any other issues with your key fob, such as slow or unresponsive buttons, it may be time to have the key fob serviced or replaced.