Car Key Button Repair
The buttons on keys for cars are subjected to a lot particularly if they are used frequently. Over time, they can become damaged.
There are a few easy solutions that will get your keys working again. However, these solutions come with the potential for dangers when changing batteries or tampering with the key fob. If you're not comfortable with these methods, it's recommended to seek advice from a professional auto-locksmith.
Change the Battery
It's possible to change the battery if your key fob isn't working as it should. You can purchase replacement batteries in any drugstore chain nationwide or at the parts department at your local dealership for cars. Some manufacturers even include an extra key fob battery in the packaging when you purchase a car from them.
The first thing you will 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 checking the key fob. Generally, the most common battery used in the key fob is a button cell similar to the ones used in remote controls and watches. These types of batteries are available at stores like Walgreens and Energizer and are available for purchase for less than $5 for a set of two.
You can remove the old battery from your key fob once you know the type of battery it is using. You can open most key fobs using your fingers or a flat tool such as a screwdriver, at the seam or notch where they join. Once the fob is opened, the battery should be able to pop out and you can then insert the new one with the same orientation as the old one. The majority of key fobs are powered by CR2032 3V batteries, which are accessible at a variety of stores that sell AAA and AA batteries.
You can join the two halves together after you have inserted the new battery and then test the key fob to confirm that all buttons are functioning correctly. You can determine if all functions are working correctly by pressing the lock and unlock buttons on the key fob while pointing it at your vehicle. If your car isn't responding to the key fob, you may require reprogramming the fob and establish an internet connection. This is a straightforward process that requires your phone or another device.
Reprogram your key fob
If your key fob does not work and you believe it's time to replace it, it may not need the replacement of a battery, but rather the old one has to be reprogrammed. This procedure is different for each vehicle. To find out the procedure you must consult the owner's manual. It's usually available in PDF format on the automaker website. You can also search YouTube for videos.
The majority of modern vehicles require a special procedure to put the vehicle into 'programming mode,' which is usually done by pressing the power button on the driver's side door or ignition several times while pressing a button on the fob within a certain time frame. The fob sends its digital identification code to the vehicle, which stores it. Once the fob is programmed, it can function like a normal key.
It's important to note that the process of reprogramming a key fob can erase any other key fobs that have been previously programmed. Therefore, if you wish to keep other fobs, they should be carefully and swiftly reprogrammed following the initial one.
Sometimes you can find replacement batteries for key fobs for cars at hardware stores, large retailers, or even on the internet. But, it is important to be aware of the model and make of your vehicle prior to buying a fob battery as the right kind can be tricky to find.
A CR editor stumbled across the battery for her key fob, however, it came from an entirely different vehicle. This meant that although she was able to start the car and open the doors, she was not capable of lowering the windows.
Dealers can be extremely helpful in this situation, since they have the tools to reprogram the fob on the specific vehicle. Certain European vehicles, such as the ones manufactured by Audi and BMW generally require you to go to an authorized dealer for this service because they use specialized security features that can only be reset by the manufacturer. Other dealers we spoke with, including those at Toyota and Lexus were willing to attempt reprogramming the fob in a replacement as provided you know the exact model and make of your car.
Replace the Button
If you have tried changing the battery and programming the key fob, but you still can't start your car it could be time to replace the button on the key. The car key button gets a lot of use and jolting over time and can sometimes get stuck or even broken. Every time you press the button on your car key fob emits a different code in a sequence that is recognized by the car's receiver. If you attempt to operate your car from a distance without using the proper code could cause it to not be able to recognize you and lock the doors or turn off the engine.
You can purchase replacement buttons online or at numerous local hardware stores. It is simple to install them and they are very simple to open.
Contact an Auto Locksmith
If you're having trouble with your car key it could be time to consult the experts. Auto locksmiths specialize in the repair of electronic car keys as well as their associated locks. These specialists have the tools and knowledge to diagnose and fix various issues with your key fob. This includes replacing batteries and changing the programming. They have the expertise and expertise to tackle more complex jobs, like repairing a broken key or cutting the replacement key.
The switch on the car key button is usually worn out. Excessive use and exposure to elements are the primary causes. The switch is made from hard plastic and has many switches on its surface. Each switch activates the function that you select with the key. As the switch wears out over time, it becomes more difficult to activate each of these functions. In the end, you will need to press down more car key and repair force on the switch to make it work. This can result in more damage to the switch, thereby decreasing its lifespan.
Replace the battery in your key fob. You can easily find lithium-ion button and coin cell batteries in supermarkets, pharmacies and home improvement stores. Once you've replaced the battery your key fob should work once more.
If the problem continues, it may be that your key fob's contacts have been worn out. The contacts are made of rubber and coated with an electric conducting film, which could wear down over time. When you use the keypad, they are continuously exposed to moisture and dust. They'll eventually wear out to the point that they are unable to contact with the circuit board or sensor beneath the keypad.
You can try to get the key fob replaced by going to a car dealership, however this could be expensive and could take a long time. The other alternative is to contact a local car locksmith, who will be able to repair your key fob and save you money.