Car Key Button Repair
The buttons on the car keys are exposed to a lot particularly if they are often used. In time, they could become damaged.
There are a few quick fixes that will allow your keys back in working order. These methods do not come without risk however. Making changes to batteries or tampering with your key fob can be risky. If you're not comfortable with these methods, it's best to consult a professional auto-locksmith.
Change the Battery
It's possible to change the battery if your key fob doesn't function as it should. You can find replacement batteries in any drugstore chain nationwide or in the parts department at your local car dealership. Some manufacturers will even include an extra key fob battery in their packaging when you purchase your vehicle from them.
First, you'll need to find out the kind of battery is being used in your key fob. This information is typically available on the website of the manufacturer or by checking the key fob. The most popular type of battery found in the keyfob is the button cell like the ones found in watches and remotes. These kinds of batteries are commonly sold at places like Walgreens and Energizer, and are available for under $5 for a set of two.
Once you know what kind of battery your key fob is using then you can open it up and take out the old battery. The majority of key fobs are made with a notch or a seam between them, which you can open by using your fingers, or using a flat tool like a screwdriver. Once the key fob has been opened, the battery will come out. You can then replace it with the same orientation. The majority of key fobs are powered by CR2032 3V batteries, which are available at many retailers 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 function correctly. Pressing the lock and unlock buttons on the key fob while pointing it towards your vehicle will help determine whether or not everything is working in the way it should. If your car is not responding to the key fob, it could be necessary to reprogram your key fob and establish a wireless connection between the two. This is a fairly straightforward process that requires a phone or other device.
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If your key fob doesn't function and you believe it's time to replace it the fact is that it might not require a new battery, but instead the original one must be changed. This process varies by car and the best option is to refer to the owner's manual (usually available in PDF format on the site of the automaker) or look on YouTube for videos on how to accomplish this.
In most modern vehicles, a special procedure is required to put the vehicle in 'programming mode'. This usually involves pressing the power button a few times on the driver's door or ignition while simultaneously pressing a button on a fob in the time frame specified. The fob sends its digital identification code to the vehicle, which then saves it. The fob functions as an ordinary key once it has been programmed.
Reprogramming a fob will erase any previous keyfobs. Therefore, if you want to keep other fobs, they should be carefully and quickly reprogrammed after the first one.
Sometimes you can find replacement batteries for key fobs for cars in hardware stores, big retailers, or even on the internet. However, you must be aware of the model and make of your vehicle prior to purchasing a battery for your fob because the right kind can be difficult to locate.
A CR editor stumbled across an battery for her key fob however, it came from a different vehicle. This meant that, while she was able to start the car and open the doors, she was not in a position to lower the windows.
Dealers can be a great resource in this situation, since they have the equipment to reprogram the fob on the specific vehicle. Dealers are required to perform this service on certain European vehicles like Audi and BMW because they come with specialized security features which can only be reset in the factory. Some dealers, such as those at Toyota and Lexus were willing to reprogram the key fob in a replacement provided you knew the exact model and year of your car.
Replace the Button
If you've tried changing the battery, reprogramming your key fob, and still can't start your car it could be time to replace that button on the key. The button on the car key is subject to a lot use and jolting and may get damaged or stuck over time. Each time you press the button on your key fob releases a distinct code that is recognized by the car's receiver. If you try to operate your vehicle from some distance, it might not recognise you. It might shut the doors or turn off the engine.
You can purchase replacement buttons online or at numerous local hardware stores. They are easy to install and open and only require a little clear plastic tape to cover the button.
Contact an Auto Locksmith
If you're experiencing issues with the car key button It could be time to contact the experts. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. These specialists have the knowledge and tools required to recognize and repair a variety of issues with your key fob including replacing batteries and changing their programming. They are equipped with the knowledge and skills to handle more complicated tasks, such as fixing a broken key or cutting a replacement key.
The switch in the car key button is often worn out. Excessive use and exposure to elements are the primary causes. The switch is made of a hard plastic and has multiple switches on its surface. Each of these switches is responsible for activating the specific function that you use the key for. As the switch gets older, it becomes more difficult to turn on these functions. You will need to apply more pressure to the switch in order to activate it. This could further damage the switch and decrease the life span of the switch.
Replace the battery in your key fob. You can easily find 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 on the key fob have worn out. The contacts are made of rubber, and covered with an electrically conducting film that wears out. They are exposed to elements as you use the keypad which means they are constantly exposed to dirt and moisture. In time, they'll get worn down to the point that they no longer make contact with the circuit board or the sensor beneath the keypad.
The dealership can replace the key fob, however it can be expensive and take a long time. The other alternative is to contact an auto locksmith in your area, who will be able to repair your key fob and help you save money.