Car Key Button Repair
Car key buttons undergo many abuses, especially if used frequently. This could lead to them becoming faulty over time.
Fortunately, there are several quick solutions to get your keys working again. However, these techniques carry risks when it comes to changing batteries or altering the key fob. If you're not comfortable doing these things yourself, it's recommended that you contact a professional auto locksmith.
Change the Battery
If you notice that your key fob no longer working as it should, it might be time to replace the battery. You can typically purchase replacement batteries at any national chain drug store or the parts department of your automobile dealership. Some manufacturers even include an extra key fob battery in their packaging when you purchase your vehicle from them.
The first thing you'll have to do is determine what battery your key fob is powered by. This information is typically found on the manufacturer's website or by examining the key fob. The most commonly used battery used in key fobs is a button cell type, similar to those used in remote controls and watches. These types of batteries are commonly sold at places like Walgreens and Energizer and are available for purchase for less than $5 for a set of two.
Once you know what kind of battery your key fob uses you can open it and remove the old battery. The majority of key fobs are made with a seam or notch that connects them, which you can open by using your fingers, or by using the flat side of a screwdriver. After the key fob has been opened, the battery will be released. Then, you can replace it with the same design. Most key fobs use CR2032 3V batteries, which are accessible at a variety of stores that sell AAA and AA batteries.
Once the new battery is in place, you can snap the two parts of the key fob together and test it to make sure that all buttons work correctly. Pressing the locks and unlock buttons on the key fob while pointing it towards your vehicle will help determine if everything is functioning exactly as it should. If your vehicle isn't responding to the keyfob, you may need to reprogram the fob and establish wireless connectivity. This is a straightforward process that requires a phone or other device.
Reprogram the Key Fob
If your key fob won't function and you believe it needs to be replaced, it may not need an entirely new battery, but rather the old one needs to be reset. This procedure is different for every car, so your best bet is to consult the owner's manual (usually available in PDF format on the automaker's website) or search YouTube for videos that explain how to do this.
Most modern automobiles require a particular procedure to put the vehicle in "programming mode," which usually involves pressing the power button on the driver's side door or ignition multiple times while pressing a button on the fob within a specific time period. This is how the fob sends its digital identity code to the vehicle, which stores it in memory. The fob can function as a regular key after it has been programmed.
Reprogramming a fob will erase any previous keyfobs. Therefore, if you wish to keep other fobs, they must be carefully and quickly reprogrammed following the initial one.
You can sometimes find replacement batteries for a car key fob in hardware stores, big-box retailers, or online. You will need to be aware of your car's model and make prior to deciding to purchase a fob because it can be difficult to locate the correct battery.
A CR editor once found a battery that was compatible with the key fob she owned however it was for a different vehicle. This meant she was able to start her car and open the door, but she couldn't lower the windows.
Dealers can be a great resource in this regard, since they have the equipment to reprogram the fob on a specific vehicle. Certain European automobiles, like those manufactured by Audi and BMW typically require an authorized dealer for this service because they use specific security features that can only be reset by the manufacturer. Other dealers we spoke with such as those at Toyota and Lexus, were willing to reprogramme a replacement fob as long as you knew the exact make and model of the vehicle you are driving.
Replace the Button
If you have tried changing the battery and reprogramming the key fob and still cannot start your car, it might be time to replace the button on your key repair car. The car key button gets a lot of use and jostling over the years and can get stuck or damaged. Each press of the button on your car key fob emits a different code in a sequence that is recognized by the receiver inside the vehicle. If you attempt to operate your vehicle from some distance, it might not recognize you. It could shut the doors or turn off the engine.
You can buy replacement buttons online or in numerous local hardware stores. They are fairly easy to install and open and require just a bit of clear plastic tape to cover the old button.
Contact an Auto Locksmith
If you're experiencing issues with your car key button, it may be time to contact the experts. Auto locksmiths specialise in the repair of electronic car keys and their associated locks. They have the expertise and tools necessary to diagnose and fix a range of issues with your key fob including replacing batteries and reprogramming them. They also have the expertise and expertise to tackle more complicated tasks such as fixing damaged buttons or cutting a replacement key.
The switch inside the button for the car key is usually worn out. This is due to excessive use and exposure to elements. The switch is usually made from a hard plastic material and has many different switches that are located on the surface. Each of these switches activates the function for Remote Key Fob Repair which you use the key. As the switch ages over time, it becomes more difficult to turn on each of these functions. In the end, you will need to press down more force on the switch in order to enable it to function. This can further damage the switch and reduce its lifespan.
Replace the battery in your key fob. It is easy to find lithium-ion button and coin cell batteries at supermarkets, pharmacies and home improvement stores. Your key fob should now work once you have replaced the battery.
If the issue persists, it may be that the contacts on your key fob's device have been worn out. The contacts are made of rubber and are covered with an electrically conducting film that can wear out. They are exposed to the elements as you use the keypad and are constantly exposed to moisture and dirt. Eventually, they will become worn to the point that they're no longer in contact with the circuit board or sensor underneath the keypad.
You can attempt to get the key fob repair service fob replaced by visiting an auto dealer, but this could be expensive and may take an extended time. Another option is to call an auto (understanding) locksmith in your area who will be able to fix your key fob and save you money.