The key fob for your 2021 Subaru Crosstrek is a marvel of modern technology, seamlessly connecting you to your vehicle with just a button press. But what happens when your key fob starts acting up due to a low battery? This comprehensive guide covers everything you need to know about your Subaru 2021 Crosstrek Key Fob Battery, from identifying signs of a dying battery to replacing it yourself.
Signs Your Subaru Crosstrek Key Fob Battery Needs Replacing
Like all batteries, your Subaru Crosstrek key fob battery has a limited lifespan. Recognizing the signs of a weakening battery can save you time, frustration, and potentially an unexpected trip to the dealership. Here’s what to look out for:
- Decreased Range: You find yourself standing closer to your Crosstrek to lock or unlock the doors.
- Intermittent Functionality: The key fob works sporadically, requiring multiple button presses.
- Warning Light on Dashboard: Some Crosstrek models display a warning light on the dashboard when the key fob battery is low.
- Keyless Entry System Malfunctions: Features like proximity unlocking or push-button start become unreliable.
Subaru Crosstrek owner experiencing reduced key fob range, needing to stand closer to the car.
How to Replace Your Subaru 2021 Crosstrek Key Fob Battery
Replacing the battery in your Subaru Crosstrek key fob is a straightforward task that you can easily accomplish at home. Here’s a step-by-step guide:
What You’ll Need:
- A new CR2032 battery (widely available at most stores)
- A small flat-head screwdriver
Instructions:
- Locate the Battery Compartment: On the back of your key fob, you’ll find a small release button. Press this button to detach the physical key.
- Open the Key Fob: Use the small flat-head screwdriver to gently pry open the key fob casing. Be careful not to damage the casing or internal components.
- Remove the Old Battery: Carefully remove the old CR2032 battery. Note the orientation of the positive (+) and negative (-) sides.
- Install the New Battery: Insert the new battery, ensuring the positive (+) side faces up, matching the orientation of the old battery.
- Reassemble the Key Fob: Align the two halves of the key fob casing and press them together firmly until you hear a click.
- Test the Key Fob: Ensure the key fob functions properly by locking and unlocking your Crosstrek and testing other features.
Step-by-step guide on replacing the battery in a Subaru Crosstrek key fob, showing the open fob, old battery, new battery, and tools.
Tips for Extending Your Key Fob Battery Life
While key fob battery replacement is inevitable, you can take steps to prolong the life of your battery:
- Avoid Frequent Button Presses: Limit unnecessary button presses, especially when you’re within close proximity to your Crosstrek.
- Store Your Key Fob Properly: Avoid exposing your key fob to extreme temperatures or moisture, which can shorten battery life.
- Use a Battery Case: Consider storing your key fob in a protective case to prevent accidental button presses and minimize impact damage.
Frequently Asked Questions (FAQs)
Q: How often should I replace my Subaru Crosstrek key fob battery?
A: The battery in your Subaru Crosstrek key fob typically lasts between 3 to 5 years, depending on usage and environmental factors.
Q: Can I drive my Crosstrek with a low key fob battery?
A: Yes, you can still start and drive your Crosstrek with a low key fob battery as long as you have the physical key to insert into the ignition.
Q: What kind of battery does my 2021 Subaru Crosstrek key fob use?
A: Your 2021 Subaru Crosstrek key fob uses a CR2032 battery, a common type of lithium button cell battery.
Q: Can I replace the battery myself, or do I need to go to a dealership?
A: Replacing the key fob battery is a simple DIY task that you can complete at home with minimal tools.
Q: What if I replace the battery and my key fob still doesn’t work?
A: If replacing the battery doesn’t solve the problem, there might be an issue with the key fob itself, and you may need to contact your Subaru dealership or a qualified automotive locksmith.
Need Help with Your Subaru Key Fob?
At Keyfobprog, we specialize in automotive Key Fob Programming and replacement, including services for all Subaru models. If you’re experiencing issues with your key fob or have any questions, our team of experts is here to assist you. Contact us today at +1 (641) 206-8880 or visit our office at 1326 N Houston St, Amarillo, TX 79107, USA. We’re happy to help you get back on the road with confidence!
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