Who Is The World's Top Expert On Car Key Button Repair? Car Key Button Repair

The buttons on the car keys are exposed to a lot, especially if they are used frequently. Over time, they can become damaged.

Fortunately, there are several quick fixes to get your keys working again. These methods are not completely safe however. Altering batteries or altering your key fob's security can be dangerous. If you're not confident doing these things yourself, it's recommended that you contact a professional auto locksmith.

Change the Battery

It may be time to change the battery in the case that your key fob isn't working as it should. You can typically purchase replacement batteries at any national chain drug store, or the parts department of your car dealership. Some manufacturers even include an extra key fob battery in the packaging when you purchase your vehicle from them.


You will first need to find out what kind of battery is used in your key fob. This information is typically found on the website of the manufacturer or by looking at the key fob. Generally speaking, the most popular battery used in the key fob is a button cell that is similar to the ones used in remote controls and watches. These kinds of batteries are commonly sold at places like Walgreens and Energizer and are available for purchase at less than $5 for a set of two.

If you are aware of the type of battery your key fob uses then you can remove it and take out the old battery. You can open most key fobs by using your fingers or a flat tool like a screwdriver, at the seam or notch where they connect. Once the fob is opened, the battery will come out, and you can then put in the new one with the same orientation as the previous one. A lot of key fobs are powered by CR2032 batteries. These batteries can be found at stores that sell AAA or AA batteries.

You can put the two halves back together after inserting the new battery and test the key fob to confirm that all buttons function correctly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will allow you to determine if everything is functioning exactly as it should. If your car is not responding to the key fob, it might be necessary to reprogram the key fob and re-establish an internet connection between the two. This is a relatively easy process that requires your phone or another device.

Reprogram your key fob

If you're experiencing issues with your key fob, and you think it needs a new one however, it may not be necessary to replace it. Instead the old battery might need to be reprogrammed. This process is different for every car. To learn the procedure, consult your owner's manual. It's typically available in PDF format on the automaker website. You can also search YouTube for videos.

In most modern vehicles, a special procedure is required to put the vehicle in 'programming mode'. This typically involves pressing the power button several times on the driver's door 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. The fob functions as a regular key after it is programmed.

Reprogramming a fob will erase any previous keyfobs. If you want to keep the other fobs after the first, then they must be reprogrammed quickly and carefully.

Sometimes you can find replacement batteries for car key fobs at hardware stores, large retailers, or even online. You must be aware of your car's model and make before you purchase a key fob since it isn't easy to locate the correct battery.

A CR editor found an battery for her key fob but it was from an entirely different vehicle. This meant that she could start her car and open the door, but she was unable to lower the windows.

Fortunately, the dealer can assist in this case and most dealers have the necessary equipment to reprogram a fob for specific cars. Dealers are required to perform this service on certain European cars such as Audi and BMW because they come with specialized security features that can only be reset at the factory. Other dealers we spoke with such as those from Toyota and Lexus were willing to try reprogramming the fob in a replacement as they knew the exact make and model of the vehicle you are driving.

Replace the Button

If you've tried changing the battery, reprogramming your key fob, and you're still unable to start your car, it might be time to replace that button on the key. The car key button gets lots of use and jostling over the years and may become stuck or broken. remote key fob repair press the button on your key fob a unique code is sent in a sequence that the receiver inside the vehicle can recognize. When you try to operate your car from a distance without using the correct code can cause it to not recognize you and then lock the doors or shut off the engine.

You can purchase replacement buttons online or in several local hardware stores. It is simple to install them and they are also extremely simple to open.

Contact an Auto Locksmith

It could be time to seek out the experts if you are experiencing problems with your car's key switch. Auto locksmiths are experts in the repair of electronic keys and locks. They have the experience and tools necessary to diagnose and fix a variety of issues with your key fob, including replacing batteries and changing their programming. They also have the knowledge and expertise to tackle more complicated jobs, such as repairing damaged buttons or cutting a new replacement key.

The switch inside the car key button is usually worn out. This is due to overuse and exposure to elements. The switch is made of hard plastic and has several switches on its surface. Each of these switches activates the function for which you are using the key. As the switch gets older over time, it becomes harder to activate each of these functions. In the end, you will need to press harder on the switch in order to get it to work. This could further damage the switch and shorten its lifespan.

The most effective solution to this problem is to replace the battery in the key fob of your car. You can locate lithium-ion button or coin cell batteries at supermarkets, pharmacies and home improvement stores. After you've replaced the battery your key fob should be working again.

If the problem persists, it could be that the contacts inside your key fob have become worn out. The contacts are made of rubber and coated with an electric conducting film, which could wear away over time. When you use the keypad, they are continuously exposed to dust and moisture. They'll eventually wear down to the point that they're unable to contact the circuit board or the sensor under the keypad.

The dealer can replace the key fob, but it could be costly and take a long time. You can also contact an emergency locksmith who will repair your key fob for a lower price.