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Ten Car Key Button Repair That Will Actually Make Your Life Better
Car Key Button Repair

Car key buttons undergo many abuses particularly when they are used regularly. This can result in them becoming faulty over time.

There are a few quick fixes that will allow your keys back to working. However, these techniques carry the potential for dangers when changing batteries or tampering with the key fob. If you're not confident doing these yourself, it is recommended to contact an expert auto locksmith.

Change the Battery

If you notice that your key fob is not working as it should, it may be time to replace the battery. You can find replacement batteries in any national chain drugstore or at the parts department at your local car dealership. Some manufacturers offer an extra battery in the car when you purchase it.

It is first necessary to find out the kind of battery is being used in your key fob. The manufacturer may have this information on their website, or you can check the key fob's specifications. The most commonly used battery that is used in a key fob is a button cell type, similar to those used in remote controls and watches. These kinds of batteries are sold at places like Walgreens and Energizer, and are available for purchase for under $5 for a package of two.

If you are aware of the type of battery your key fob is using then you can open it and remove the old battery. The majority of key fobs are made with a notch or seam that connects them, which you can open by using your fingers or by using an instrument that is flat, such as a screwdriver. After the key fob has been opened, the battery will come out. It is then possible to replace it in the same orientation. The majority of key fobs are powered by CR2032 3V batteries, which are readily accessible at a variety of retailers that sell AAA and AA batteries.

Once the new battery is installed, you can connect the two parts of the key fob back together and test it to make sure that all buttons work correctly. You can determine if all functions are working correctly by pressing the lock and unlock button on the key fob, while pointing it toward your vehicle. If your vehicle does not respond to the fob, you might need to reprogram the fob and establish a wireless connection. It's quite simple and requires the use of your phone or other device to accomplish this.

Reprogram the Key Fob

If you're having trouble with your key fob, and you think that it's time to get a new one It may not be necessary to replace it. Instead repair keys near me might need to be reprogrammed. This process is different for each car. To find out how to go about it go through the owner's manual. It's usually available in PDF format on the automaker's website. You can also search YouTube for videos.

In modern vehicles, a special 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 the button on a fob within a specific time frame. The fob transmits its unique digital identification code to the vehicle, and then saves it. Once the fob is programmed, it will function like an ordinary key.

It's important to note that reprogramming a key fob will wipe out any other key fobs that have been previously programmed. Therefore, if you wish to keep other fobs, they should be carefully and quickly reprogrammed after the first one.

You can sometimes find replacement batteries for a key fob for your car at hardware stores, big-box retailers or on the internet. You must be aware of your car's make and model before you purchase a fob because it can be difficult to locate the right battery.

A CR editor once came across an appropriate battery for the key fob she had, but it was for a different vehicle. This meant she was able to start her car and open the door, but couldn't lower the windows.

Dealers can be of great assistance in this regard, since they have the equipment necessary to reprogram the fob for specific vehicles. Certain European cars, such as those made by Audi and BMW generally require a dealer to get this service because they use specialized security features that can only be reset by the manufacturer. Other dealers we spoke with such as those from Toyota and Lexus were willing to attempt reprogramming the fob in a replacement as provided you know the exact make and model of the vehicle you are driving.

Replace the Button

If you have tried changing the battery and programming the key fob, but you still not being able to start your car, it might be time to replace the button on your key. Your car key button receives lots of use and jolting over time and can sometimes get stuck or damaged. Each time you press the button on your key fob an individual code is sent out in a sequence that the vehicle's receiver can recognize. If you try to operate your vehicle from far away, it may not recognize you. It could close the doors or turn off the engine.

You can buy replacement buttons online or at many local hardware stores. They are relatively simple to install and open and require only a small amount of clear plastic tape to cover the button.

Contact an Auto Locksmith

It could be time to speak with a professional when you're having issues with the key button on your car. Auto locksmiths specialise 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 that may arise with your key fob including replacing batteries and changing their programming. They also have the expertise and experience to handle more complex tasks such as fixing broken buttons or cutting a replacement key.

The switch on the car key button is usually worn out. Excessive use and exposure to elements are the main reasons. The switch is made of a hard plastic and has multiple switches on its surface. Each switch is responsible for activating the particular function you are using the key to activate. As the switch wears out over time, it becomes more difficult to turn on each of these functions. You will have to exert more pressure on the switch to activate it. This could result in more damage to the switch, decreasing its longevity.

The easiest way to solve this issue is to replace the battery on the key fob of your car. Many models of car use lithium-ion coin or button batteries that you can find in supermarkets, pharmacies, and home improvement stores. Your key fob should now function after you have replaced the battery.

If the issue persists it could be because the contacts in your key fob are worn out. The contacts are made of rubber and covered by an electrical conducting film that can wear out. They are exposed to elements as you use the keypad, so they're constantly being exposed to moisture and dirt. Over time, they wear down until they are no longer in contact with the circuit board or sensor underneath the keypad.


The dealership can replace the key fob, but it's costly and take a long time. You can also call an expert locksmith in your area who will repair your key fob at less.

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