How much does it cost to replace a battery in a keyless remote?

Author: Alyce Swaniawski II  |  Last update: Saturday, June 21, 2025

One of the most common questions is, "How much does it cost to replace a car key battery?" The good news is that it's an inexpensive fix. The typical cost of a coin-shaped battery, like the CR2032 or CR2025, ranges from $2 to $10, depending on where you purchase it.

How much does it cost to replace the battery in a key fob?

The good news is that they are generally very inexpensive to replace, so they shouldn't dent your wallet much. It can cost around 5 dollars for one battery.

Will the dealership replace the key fob battery for free?

Generally, your car dealer will do it for you, for a fee. I have replaced mine several times over the years at no additional cost except the new coin battery.

Can you replace a key fob battery yourself?

Yes, You Can Replace Key Fob Batteries Yourself

A thin blade, such as a watch knife, for prying open the case. A replacement battery, usually a CR2032 coin cell that's available in most retail locations. A precision screwdriver, between 1.4mm or 2.4mm, depending on the fob. Tweezers to grab the battery.

How much does it cost to replace a car key fob battery?

If you're simply replacing a car key battery, the battery and service combined should be inexpensive at around $10-15. Replacing entire car key fobs can be more expensive and cost a few hundred dollars, but it depends on your vehicle make and model.

How To Replace Install Battery Car Key Fob Remote Easy Simple

Can AutoZone replace key fobs?

Yes, AutoZone does replace car keys, though the key and key fob might be made of generic parts and won't look identical to the ones that came with the car.

Do I have to reprogram my key fob if I change the battery?

In most cases, you do not have to reprogram your key fob after changing the battery. The key fob should retain its programming even when the battery is replaced. However, if your key fob is still not working after the battery change, you might need to reprogram it.

Does Autozone change car remote batteries?

You are correct about that. Um, Autozone does change batteries for free.

What happens when a key fob battery dies?

A dead battery in your key fob means it can't broadcast the signal the ignition system is looking for. If your car or truck can't detect the correct signal, then the ignition will remain locked, and you won't be able to start your car with the fob in your pocket.

Who can replace key fob battery?

At Batteries Plus, they can be replaced in minutes, while you wait. How does lifetime key fob battery replacement work? Unlimited key fob battery replacement is valid for the lifetime of your remote, redeemable at any Batteries Plus location nationwide. The price includes battery + service, for the life of your fob.

How much does AutoZone charge to program a key fob?

Yes, AutoZone can help you find and replace the battery in your key fob. 2. How much does it cost to program a key fob? The cost can vary widely, but typically ranges from $50 to $200 depending on your vehicle and where you get it programmed.

How long does it take to replace a key fob battery?

A car key fob battery's typical lifespan can change depending on a number of variables. These batteries typically last between three and five years. This estimate is a good generalization, but it's important to remember that some key fobs may have shorter or longer lifespans.

Do dealerships replace key fob batteries for free?

Key Fob Battery Replacement

Battery specialist shops and dealers will often replace the battery for free since it only takes a moment or two. If you're handy, you can save time by buying a battery at a hardware store, a big-box retailer, or online, and then swap it yourself.

What to do when the key fob battery is low?

Even if your key fob isn't working, you can still start your car by using the emergency blade that usually comes with the fob. An emergency blade, or E-blade, is a mechanical key inside the fob that you can access by unlocking the fob cover. You can use it like a traditional key to start your vehicle.

Why do dealers charge so much for a key fob?

While it's not easy to get a “cheap” key fob replacement, it's definitely possible to pay much less than what dealers are charging. The reason why fobs are so expensive is that you're looking at components like batteries and circuitry.

Can I replace the key fob battery myself?

Changing a key battery is a straightforward process that you can easily do yourself. By following the steps outlined in this guide, you can save time and money by avoiding a trip to a locksmith or dealership. Remember to exercise caution during the process to prevent any accidental damage.

How much to replace a key fob battery?

One of the most common questions is, "How much does it cost to replace a car key battery?" The good news is that it's an inexpensive fix. The typical cost of a coin-shaped battery, like the CR2032 or CR2025, ranges from $2 to $10, depending on where you purchase it.

How do I reprogram my car remote after changing the battery?

How To Reprogram A Key Fob
  1. Insert the key into the ignition cylinder and position the cylinder in the 'ON' position.
  2. Press and hold the 'Lock' button on the key fob for approximately 1–2 seconds.
  3. Turn the key to the 'OFF' position and wait 1–2 seconds.
  4. Turn the key back to the 'ON' position, wait 1–2 seconds.

Can AutoZone make me a new key fob?

AutoZone no longer offers key cutting services as of August 2024. How long does it take to make a key? It only takes a few minutes to cut a new key for your car, and programming a transponder key only extends the process by a few more minutes.

How long does a remote control car battery last?

RC car battery life limits drive time from 20 minutes to two hours, depending on the battery, terrain, and how hard they are driven. A recharge can stop the action for hours, and over time, these batteries lose their oomph, and may need to be replaced in as few as 18 months.

Why wont my car start after replacing the battery in the key fob?

Deprogramming. If a car key stops operating, even after a battery swap, it may have been deprogrammed. Deprogramming is the process of telling a vehicle's onboard computer to delete all of the keys from its list of authorized users. Deprogramming can occur as a result of pressing buttons on the remote.

Can you program a key fob without going to the dealership?

Yes, many key fobs can be programmed at home using the instructions provided in your vehicle's owner manual. This can be a convenient and cost-effective option. For more complex systems or newer models, however, professional assistance might still be necessary.

How much does it cost to reprogram a key fob?

Several factors determine the cost to reprogram a fob. While it's hard to give a universal estimate, the general cost is between $50 and $250 for reprogramming.

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