Car Key Button Repair
The buttons on keys for cars are exposed to a lot particularly if they are frequently used. This can result in them becoming faulty over time.
There are a variety of quick fixes to get your keys working again. These solutions are not without risk however. Changing batteries or tampering the key fob could be risky. If you are not comfortable with these methods, it's best to consult a professional auto-locksmith.

Change the Battery
If you're noticing that your key fob is not functioning as it should, it could be time to replace the battery. You can usually buy replacement batteries from any chain drug store or the parts department at your car dealership. Some manufacturers include an extra battery in your car when you buy it.
The first thing you'll need to do is find out what kind of battery is used in your key fob. This information is typically available on the site of the manufacturer or by examining the key fob. The most common type of battery in the keyfob is the button cell, which is similar to the ones used in watches and remotes. These batteries are available at Walgreens, Energizer and other stores for less than $5 per pack of two.
If you are aware of the type of battery your key fob uses, you can open it up and take out the old battery. It is possible to open most key fobs using your fingers or a flat tool like a screwdriver at the seam or notch where they connect. Once the key fob has been opened, the battery will come out. Then, you can replace it in the same orientation. key repair near me of key fobs are powered by CR2032 3V batteries, which are easily available at many stores that sell AAA and AA batteries.
Once the new battery is in place after which you can snap the two pieces of the key fob together and check that all buttons function properly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will allow you to determine if everything is working exactly as it should. If your vehicle still doesn't respond to the key fob, you may require reprogramming the fob to establish a wireless connection. Fortunately, this is a relatively easy process and requires only the use of your phone or other device to perform the procedure.
Reprogram the Key Fob
If your key fob won't function and you believe it's time to replace it, it may not need an entirely new battery, but instead the old one needs to be reprogrammed. This procedure varies for each vehicle, so your best bet is to consult the owner's manual (usually available in PDF form on the site of the automaker) or look on YouTube for videos that explain how to do this.
Most modern vehicles require a specific procedure to put the vehicle in "programming mode," which usually involves pressing the power button on the driver's side door or ignition several times while pressing the fob's button within a specified time. This is how the fob sends its digital identification code to the car, which saves it in the memory. Once the fob is programmed, it will behave as normal keys.
Reprogramming a keyfob erases any previous keyfobs. Therefore, if you want to keep other fobs, they need to be reprogrammed with care and speed following the initial one.
There are a few replacement batteries for a key fob for your car at hardware stores, big-box retailers or even online. But, it is important to know the make and model of your car prior to purchasing a fob battery because the correct type of battery can be difficult to locate.
A CR editor once came across a battery that was compatible with the key fob she used however it was for a different car. This meant that she could start her car and unlock the door, but couldn't lower the windows.
Dealers can be extremely helpful in this situation, since they have the equipment necessary to reprogram the fob for the specific vehicle. Dealers are required to perform this procedure on some European cars such as Audi and BMW because they have specialized security features that can only be reset in the factory. Other dealers we spoke with such as those from Toyota and Lexus were willing to reprogramme a replacement fob as they knew the exact model and make of the vehicle you are driving.
Replace the Button
If you've tried changing the battery, reprogramming your key fob, and still can't start your car it's time to replace the button on your key. The button on the car key is subject to a lot use and jostling, and it can get damaged or stuck over time. Each press of the button on your key fob emits a different code that is recognised by the car's receiver. If you try to operate your vehicle from a distance, it may not recognise you. It may close the doors or turn off the engine.
You can buy 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 old button.
Contact an Auto Locksmith
If you're having trouble with your car key button It could be time to call in the experts. Auto locksmiths are experts in the repair of electronic keys and locks. They have the experience and tools needed to identify and fix a variety of issues that may arise with your key fob including replacing batteries and changing their programming. They are equipped with the knowledge and expertise to tackle more complicated tasks, such as fixing a damaged key or cutting an alternative key.
The switch inside the button for the car key is often worn out. Overuse and exposure to elements are the primary reasons. The switch is typically constructed of a tough plastic material and has a variety of switches that are located on the surface. Each switch is responsible for activating the specific function that you use the key for. As the switch gets older it becomes harder to activate these functions. As a result, you'll need to push harder on the switch to get it to work. This can cause more damage to the switch, decreasing its longevity.
The most effective solution to this issue is to replace the battery inside the key fob of your car. Many models of car use lithium-ion coin or button batteries, which you can easily find in supermarkets, pharmacies and home improvement stores. Your key fob will be working after replacing the battery.
If the issue persists, it may be that your key fob's contacts have worn out. The contacts are made of rubber and covered with an electrical conducting film that wears out. They are exposed to elements as you use the keypad, so they're constantly being exposed to moisture and dirt. Eventually, they will become worn to the point where they no longer make contact with the circuit board or the sensor beneath the keypad.
You can try to get the key fob replaced by going to a vehicle dealership, but it can be costly and may take a long time. You can also call an expert locksmith in your area who will fix your key fob for a lower price.