Is your car key fob behaving erratically? Perhaps you need to be right next to your car for it to unlock, or maybe the remote start is no longer working from inside your house. These are common signs that your key fob battery is dying and needs replacing. As your trusted auto repair experts at keyfobx.com, we’re here to guide you through everything you need to know about key fob battery replacement, focusing on the Cost To Replace Key Fob Battery and how you can easily handle it yourself.
Recognizing the Need for a Key Fob Battery Change
Before your key fob completely gives out, it will usually give you some warning signs. Being aware of these can prevent you from being caught off guard. Here are typical indicators that your car key battery is losing power:
- Decreased operating range: You have to be much closer to your vehicle than usual for the remote to work.
- Intermittent button response: Sometimes the buttons work, sometimes they don’t, requiring multiple presses.
- Dashboard warning light: Some cars feature a warning symbol on the dashboard specifically for a low key fob battery.
- Weak signal strength: Even when close to the car, the key fob signal seems weak or unresponsive.
If you’re experiencing any of these issues, replacing your key fob battery should be your first step. Ignoring these signs could lead to complete key fob failure at an inconvenient time.
DIY Guide: Replacing Your Key Fob Battery at Home
The good news is that changing a key fob battery is usually a straightforward task that most car owners can accomplish at home with minimal effort and tools. Here’s a step-by-step guide to help you through the process:
Step 1: Determine Your Battery Type
The first crucial step is to identify the correct replacement battery for your specific key fob. The battery type is often indicated in your car’s owner’s manual. Alternatively, you can often find the battery model number printed directly on the existing battery once you open the fob. Common types include coin-cell batteries like CR2032 and CR2025.
If you’re unsure, a quick online search for “[your car make and model] key fob battery type” will typically provide the answer.
Step 2: Access the Battery Compartment
Opening the key fob varies slightly depending on the design. Many fobs have a small slot or notch along the side. You can use a small flathead screwdriver or even a thin coin to gently pry the fob open at this point. Some newer key fobs are designed for battery replacement without tools and may feature a small release button or latch that allows you to separate the two halves of the fob. Always be gentle to avoid damaging the plastic casing.
Step 3: Remove the Old Battery
Once the key fob is open, carefully remove the old battery. Pay close attention to the orientation of the battery as you remove it – note which side is facing upwards (usually the positive side marked with a “+”). This will ensure you insert the new battery correctly. You might need to gently pry the battery out of its holder.
Step 4: Install the New Battery
Place the new battery into the compartment, making sure the positive and negative sides are aligned exactly as the old battery was. Double-check the battery type to confirm it’s the correct one for your key fob.
Step 5: Reassemble the Key Fob
Carefully snap the two halves of the key fob back together. Press firmly until you hear or feel it click securely into place. Ensure there are no gaps and the fob is properly closed.
Step 6: Test Your Key Fob
Finally, test the key fob by attempting to lock and unlock your car, activate the panic button, and try the remote start if your vehicle is equipped with it. If everything works as expected, you’ve successfully replaced your key fob battery! If it doesn’t work, re-open the fob and double-check the battery orientation and type. If issues persist, professional help might be needed.
Understanding the Cost to Replace Key Fob Battery
Now, let’s address the key question: What is the cost to replace key fob battery? The great news is that it’s generally very affordable. The cost primarily depends on whether you choose the DIY route or opt for professional service.
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DIY Battery Replacement Cost: Purchasing a replacement coin cell battery like a CR2032 or CR2025 typically costs between $2 and $10. You can buy these batteries at most drugstores, supermarkets, auto parts stores, and online retailers. This makes it a very budget-friendly solution.
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Professional Battery Replacement Cost: If you prefer to have a dealership or a local mechanic replace the battery for you, the service cost can range from $20 to $50 or even higher. This price includes the cost of the battery plus a labor or service charge. While convenient, it’s significantly more expensive than doing it yourself.
Therefore, by following our simple DIY guide, you can save a considerable amount of money and time.
Where Can You Buy Key Fob Batteries?
Finding replacement key fob batteries is easy. You can purchase them from various locations including:
- Pharmacies and Drugstores: Chains like Walgreens or CVS usually stock common coin cell batteries.
- Grocery Stores: Most supermarkets have a battery section where you can find these batteries.
- Auto Parts Stores: Stores like AutoZone, Advance Auto Parts, and O’Reilly Auto Parts will carry a range of car key batteries.
- Big Box Retailers: Walmart and Target are also good options.
- Online Retailers: Amazon and other online marketplaces offer a wide selection and competitive prices.
Always ensure you are purchasing the correct battery type for your specific key fob to guarantee proper functionality.
Replacing your key fob battery is a simple and cost-effective way to keep your car key working reliably. By taking a few minutes to follow these steps, you can avoid unnecessary dealership costs and ensure you’re never locked out or inconvenienced by a dead key fob. For more expert car maintenance tips and solutions, remember to visit keyfobx.com – your trusted resource for all things key fobs and car security!
