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Five Things You Didn't Know About Car Key Button Repair
Car Key Button Repair

The buttons on the car keys are exposed to a lot, especially if they are often used. This can result in them becoming damaged over time.

There are a variety of quick solutions to make your keys work again. These methods do not come completely safe, however. Making changes to batteries or tampering with the key fob could be dangerous. If you are not comfortable with these methods, it is recommended to seek advice from an expert auto-locksmith.

Change the Battery

If you notice that your key fob is no longer working as it should, it could be time to replace the battery. You can usually find replacement batteries at any national chain drug store or the parts department at your car dealership. Some manufacturers will even include an extra key fob battery in the packaging when you purchase your vehicle from them.

The first thing you will need to find out what kind of battery your key fob is powered by. The manufacturer should have this information on their website or on the key fob itself. The most commonly used battery that is used in the key fob is a button cell type that is similar to the ones used in remote controls and watches. These batteries are available at Walgreens, Energizer and other stores for less than $5 for a pack of two.

Once you are aware of the type of battery your key fob has then you can remove it and remove the old battery. It is possible to open most key fobs by using your fingers or a flat tool such as a screwdriver, at the notch or seam where they join. After the key fob is been opened the battery will be released. It is then possible to replace it with the same design. The majority of key fobs are powered by CR2032 3V batteries, which are easily available at numerous retailers that sell AAA and AA batteries.

Once the new battery is inserted after which you can snap the two pieces of the key fob back together and test it to ensure that all buttons are functioning correctly. 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 exactly as it should. If your vehicle does not respond to the fob, you might have to reset the fob and establish a wireless connection. This is a relatively easy process that requires your phone or another device.

Reprogram the Key Fob

If your key fob doesn't work and you think it's time to replace it, it may not need the replacement of a battery, but instead the old one needs to be reset. This procedure is different for every car, so your best bet is to read the owner's manual (usually available in PDF format on the website of the automaker) or look on YouTube for videos on how to go about this.

In most modern vehicles, a special procedure is required to put the vehicle into "programming mode". This typically involves pressing the power button multiple times on the door of the driver or ignition while simultaneously pressing a button on the fob within a time-specific period. The fob transmits its digital identification code to the vehicle, which then stores it. Once the fob has been programmed, it will function like a normal key.

Reprogramming a fob will erase any previous keyfobs. Therefore, if you'd like to keep other fobs, they should be reprogrammed with care and speed following the initial one.

Sometimes, you can find replacement batteries for key fobs for cars at hardware stores, major retailers, or even online. You must know your car's model and make prior to deciding to purchase a key fob since it may be difficult to find the right battery.

A CR editor stumbled across a battery for her key fob, however, it came from a different vehicle. This meant that, while she was able to start the car and open the doors, she wasn't in a position to lower the windows.


Fortunately, the dealer can assist you in this instance in this case, since they have the necessary equipment to reprogram a fob to the specific vehicle. Certain European vehicles, such as those made by Audi and BMW typically require you to go to a dealer for this service since they utilize specific security features that can only be reset by the manufacturer. Other dealers we spoke to like those at Toyota and Lexus were willing to try reprogramming the fob in a replacement as long as you knew the exact make and model of your car.

Replace the Button

If you have tried changing the battery or reprogramming the key fob, but you still not being able to start your car, it may be time to replace the button on the key. Your car key button receives a lot of use and jostling over the years and may get stuck or even broken. When you press the button on your key fob, a unique code is sent out in a pattern that the receiver inside the vehicle can recognize. If you attempt to operate your vehicle from some distance, it might not recognize you. It could close the doors or turn off the engine.

car remote key repair near me can purchase replacement buttons online or at numerous local hardware stores. It is easy to install buttons and they are very easy to open.

Contact an Auto Locksmith

If you're having trouble with your car key button it could be time to contact the experts. Auto locksmiths are experts in the repair of electronic keys and locks. They have the tools and expertise to identify and fix issues with your key fob. This includes replacing batteries and changing their programming. They also have the expertise and experience to handle more complicated jobs like fixing damaged buttons or cutting a new replacement key.

One of the most common reasons for a car key button to stop working is because the switch inside it has worn out. This is due to overuse and exposure to elements. The switch is typically constructed from a hard plastic material and has a variety of switches on its surface. Each switch is able to activate the function for which you are using the key. As the switch age it becomes more difficult to turn on these functions. In the end, you will need to press down more force on the switch to enable it to function. This could result in more damage to the switch, further decreasing its longevity.

The most effective solution to this problem is to replace the battery on your car's key fob. It is easy to find lithium-ion button and coin cell batteries in pharmacies, supermarkets and home improvement stores. Your key fob should now be working after replacing the battery.

If the problem persists it could be because the contacts on your key fob have been worn out. The contacts are made of rubber and coated with an electric conducting film that can wear down over time. They are exposed to the elements while you use the key which means they are constantly exposed to dirt and moisture. In time, they'll become worn to the point that they no longer make contact with the circuit board or the sensor beneath the keypad.

You can attempt to get the key fob replaced at a vehicle dealership, but this can be expensive and can take a long time. You can also contact an emergency locksmith who can repair your key fob for a lower price.

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