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

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

Car Key Button Repair

Car key buttons undergo lots of abuse, especially if used frequently. This can result in them becoming faulty over time.

There are a few easy solutions that will get your keys back in working order. These methods do not come completely safe, however. Making changes to batteries or tampering with your key fob's security can be risky. If you're not confident doing these yourself, it's recommended to contact an expert auto locksmith.

Change the Battery

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

The first thing you'll have to do is find out which battery your key fob uses. 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 those found in watches and remotes. These batteries are available at Walgreens, Energizer and other stores for less than $5 per box of two.

You can take the old battery off your key fob after you know which type of battery it has. You can open most key fobs using your fingers or a flat tool, like a screwdriver, at the seam or notch where they join. After the key fob is been opened the battery will be released. Then, you can replace it with the same design. The majority of key fobs are powered by CR2032 3V batteries, which are readily available at many stores that sell AAA and AA batteries.

Once the new battery is inserted After that, you can take the two parts of the key fob back together and check that all buttons work properly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will help determine whether or not everything is functioning exactly as it should. If your vehicle is not responding to the key fob, it could be required to reprogram the key fob and re-establish an internet connection between the two. Fortunately, this is quite simple and requires only the use of your smartphone or another device to perform the procedure.

Reprogram your key fob

If you're having trouble with your key fob, and you think that it's time to get a new one, it might not be necessary to replace it. Instead the old battery might need to be reprogrammed. This process varies by car so the best way to find out is to read the owner's manual (usually accessible in PDF format on the site of the automaker) or search YouTube for videos explaining how to go about this.

Modern vehicles require a specific procedure to put the vehicle into 'programming mode,' which usually involves pressing the power button on the driver's side door or ignition a few times while pressing a button on the fob within a specific time period. The fob transmits its unique digital identification code to the vehicle, which will save it. The fob will work like normal keys once it is programmed.

It is important to remember that reprogramming a key fob will wipe out any other key fobs which have been previously programmed. If you want to keep the other fobs after the first, then they must be reprogrammed quickly and with care.


You can sometimes find replacement batteries for a car key fob at hardware stores, big-box retailers, or online. However, you must be aware of the make and model of your vehicle prior to purchasing a fob battery because the right kind isn't always easy to locate.

A CR editor stumbled across a battery for her key fob, however, it came from a different vehicle. This meant that she could start her car and open the door, but couldn't lower the windows.

Fortunately, dealers can assist in this case in this case, since they have the necessary equipment to reprogram a fob for specific cars. Dealers are required to carry out this service on some European vehicles like Audi and BMW because they come with specialized security features which can only be reset at the factory. Other dealers we spoke with, including those from Toyota and Lexus were willing to reprogramme a replacement fob as they knew the exact make and model of the vehicle you are driving.

Replace the Button

If you've tried changing the battery and reprogramming the key fob but not being able to start your car, it may be time to replace the button on the key. The button on the key of your car is subject to a lot of use and jostling, and it can become stuck or damaged over time. When  car key fob repair near me  press the button on your key fob an individual code is transmitted in a sequence which the receiver inside the vehicle is able to recognize. If you attempt to operate your vehicle from far away, it may not recognise you. It might close the doors or turn off the engine.

You can purchase replacement buttons online or in numerous local hardware stores. They are easy to install and open and require only a small amount of clear plastic tape to cover the button.

Contact an Auto Locksmith

If you're experiencing a problem with the car key button It could be time to call in the experts. Auto locksmiths specialize in the repair of electronic car keys as well as their associated locks. These specialists have the knowledge and tools required to recognize and fix a variety of issues with your key fob including replacing batteries and changing the programming. They have the expertise and skills to handle more complex jobs, like fixing a damaged key or cutting a replacement key.

The switch inside the car key button is often worn out. Overuse and exposure to elements are the primary causes. The switch is made from a hard plastic and has multiple switches on its surface. Each of these switches activates the function for which you use the key. As the switch wears out over time, it becomes more difficult to activate these functions. As a result, you will need to press down more force on the switch in order to make it work. This can further damage the switch and shorten its lifespan.

Replace the battery in your key fob. It is easy to find lithium-ion button and coin cell batteries in pharmacies, supermarkets and home improvement stores. After replacing the battery the key fob will work again.

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 with an electrical conducting film that can wear out. They are exposed to elements while you use the key which means they are constantly exposed to dirt and moisture. Over time, they wear down to the point that they're no longer in contact with the circuit board or sensor underneath the keypad.

The dealership can replace the key fob, however it could be costly and takes a lot of time. You can also call an expert locksmith in your area who will fix your key fob for an affordable price.