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The Next Big Event In The Car Key Button Repair Industry
Car Key Button Repair

Car key buttons undergo many abuses particularly if they are used frequently. As time passes, they may become damaged.

There are a few quick solutions that will get your keys back in working order. These methods do not come without risk, however. Altering batteries or altering your key fob's security can be dangerous. If you're not confident doing these yourself, it is recommended that you contact an expert auto locksmith.

Change the Battery

It's possible to change the battery in the case that your key fob no longer works as it should. You can typically purchase replacement batteries from any chain drug store or the parts department of your automobile dealership. Some manufacturers include a spare battery with your car when you buy it.

You will first need to find out the kind of battery is being used in your key fob. This information is typically available on the manufacturer's website or by checking the key fob. The most commonly used type of battery in keyfobs is the button cell, which is similar to the ones used in watches and remotes. These kinds of batteries are sold at places like Walgreens and Energizer and can be bought for less than $5 for a set of two.

You can take the old battery off your key fob once you know which type of battery it uses. You can open most key fobs by using your fingers or a flat tool like a screwdriver at the seam or notch where they join. After the fob has been opened, the battery will come out, and you can then insert the new one in the same direction as the previous one. Many key fobs are powered by CR2032 batteries. These batteries can be found at stores that sell AAA or AA batteries.

Once the new battery is in place, you can take the two pieces of the key fob together and check that all buttons function properly. Pressing the locks and unlock buttons on the key fob while pointing it towards your vehicle will allow you to determine if everything is functioning in the way it should. If your vehicle still doesn't respond to the keyfob, you may need to reprogram the fob to establish wireless connectivity. It's a relatively easy process and requires the use of a phone or other device to perform the procedure.

Reprogram the Key Fob

If you're experiencing issues with your key fob, and you think it needs a new one, it might not be necessary to replace it. Instead, car key fob repair may require reprogramming. This procedure is different for every car, so your best bet is to refer to the owner's manual (usually available in PDF form on the site of the automaker) or search YouTube for videos that explain how to go about this.

In most modern vehicles, a specific procedure is required to put the vehicle into 'programming mode'. This typically involves pressing the power button several times on the door of the driver or ignition while simultaneously pressing a button on a fob in a specific time frame. This is how the fob communicates its digital identity code to the car, which saves it in its memory. The fob can function as a regular key after it has been programmed.

Reprogramming a keyfob erases any previous keyfobs. Therefore, if you'd like to keep other fobs, they need to be carefully and quickly reprogrammed after the first one.


Sometimes, you can find replacement batteries for key fobs for cars at hardware stores, large retailers, or even online. You will need to know your car's model and make before you purchase a fob because it can be difficult to locate the right battery.

A CR editor found a battery for her key fob, but it was from an entirely different vehicle. This meant she was able to start her car and unlock the door, but she couldn't lower the windows.

Dealers can be extremely helpful in this situation, since they have the equipment necessary to reprogram the fob on the specific vehicle. Some European cars, such as those made by Audi and BMW, will usually require you to go to a dealer to get this service due to the fact that they have specific security features that can only be reset by the manufacturer. Some dealers, like those at Toyota and Lexus were willing to reprogramme an alternative key fob in the event that you could identify the exact model and brand of the car you own.

Replace the Button

If you have tried changing the battery and reprogramming the key fob and still not being able to start your car, it could be time to replace the button on the key. The button on your car key is subjected to a lot of use and jostling and can be damaged or stuck over time. When you press the button on your key fob an individual code is sent in a sequence that the receiver in the vehicle can recognize. Trying to operate your vehicle from a distance and not using the proper code could cause it to not recognize you and lock the doors or turn off the engine.

You can buy replacement buttons online or at several local hardware stores. It is easy to install them and they are extremely simple to open.

Contact an Auto Locksmith

If you're experiencing issues with your car key It could be time to contact the experts. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. These specialists have the knowledge and tools needed to identify and repair a variety of issues with your key fob including replacing batteries and changing the programming. They also have the knowledge and experience to handle more complicated tasks like fixing damaged buttons or cutting a new replacement key.

The switch inside the button for the car key is usually worn out. This is caused by overuse and exposure to the elements. The switch is typically made from a hard plastic and has many different switches that are located on the surface. Each switch is responsible for activating the specific function you are using the key for. As the switch gets older over time, it becomes harder to turn on each of these functions. You will need to exert more pressure on the switch in order to make it work. This can cause further damage to the switch, further reducing its lifespan.

Replace the battery in your key fob. You can locate lithium-ion button or coin cell batteries in pharmacies, supermarkets and home improvement stores. After replacing the battery your key fob should be working again.

If the issue persists it could be that the contacts inside your key fob have become worn out. The contacts are made of rubber and covered by an electrically conducting film that wears out. They are exposed to the elements as you use the keypad and are constantly exposed to moisture and dirt. They'll eventually wear out to the point where they are unable to contact with the circuit board, or the sensor underneath the keypad.

The dealer can replace the key fob, but it's costly and takes a lot of time. You can also contact an expert locksmith in your area who will fix your key fob at less.

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