Car Key Button Repair
The buttons on car keys are exposed to a lot particularly if they are often used. This can result in them becoming damaged over time.
There are a few easy fixes that will allow your keys back in working order. However, these techniques carry the potential for dangers when changing batteries or altering the key fob. If you are not comfortable with these methods, it's recommended to seek advice from a professional auto-locksmith.
Change the Battery
If you notice that your key fob is not functioning as it should, it could be time to replace the battery. You can find replacement batteries in any national chain drugstore or at the parts department at your local car dealership. Some manufacturers include an extra battery in your car when you buy it.
First, you'll need to find out the kind of battery is being used in your key fob. This information is usually available on the website of the manufacturer or by checking the key fob. car key repair used type of battery found in the keyfob is the button cell that is similar to the ones used in remotes and watches. These kinds of batteries are typically found at stores such as Walgreens and Energizer and are available for under $5 for a set of two.
You can take the old battery off your key fob once you know which type of battery it has. It is possible to open most key fobs by using your fingers or a flat tool such as a screwdriver, at the seam or notch at which they connect. When the fob is opened, the battery will pop right out and you can then put in the new one with the same orientation as the previous one. Most key fobs use CR2032 3V batteries, which are available at many retailers that sell AAA and AA batteries.
Once the new battery is installed after which you can snap the two halves of the key fob back together and test it to make sure that all buttons function correctly. Pressing car key and repair and unlock buttons on the key fob while pointing it at your vehicle will help you determine if everything is working as it should be. If your vehicle is not responding to the key fob, it might be necessary to reprogram your key fob and establish a wireless connection between the two. This is a relatively simple process that only requires your phone or a different device.
Reprogram the Key Fob
If your key fob does not work and you think it needs to be replaced It may not require an entirely new battery, but instead the original one must be reprogrammed. This procedure is different for every car, so your best bet is to consult the owner's manual (usually available in PDF form on the site of the automaker) or search YouTube for videos explaining how to go about this.
The majority of 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 specific time period. The fob transmits its digital identification code to the vehicle, and then stores it. The fob can function as normal keys once it is programmed.
It's important to note that reprogramming a key fob will erase any other key fobs that had been programmed previously. If you wish to keep the other fobs following the first, they should be programmed quickly and with care.
Sometimes you can find replacement batteries for key fobs for cars at hardware stores, large retailers, or even online. However, you must be aware of the make and model of your car before purchasing a fob battery because the correct type of battery can be difficult to locate.
A CR editor found a battery that was compatible with the key fob she owned however, it was for a different vehicle. This meant she could start her car and unlock the door, but couldn't lower the windows.
Dealers can be a great resource in this regard, since they have the equipment necessary to reprogram the fob for specific vehicles. Dealers are required to perform this procedure on some European automobiles like Audi and BMW because they have specialized security features which can only be reset by the manufacturer. Other dealers we spoke with such as those at Toyota and Lexus, were willing to reprogramme an original fob so they knew the exact make and model of the car you own.
Replace the Button
If you've tried changing the battery, reprogramming your key fob, but still haven't been able to start your car it could be time to replace the button on the key. The key on your car receives lots of use and jostling over the years and can sometimes get stuck or damaged. Each time you press the button on your key fob releases a distinct code in a sequence that is recognized by the car's receiver. If you attempt to operate your vehicle from a distance without the correct code can cause it to not be able to recognize you and then lock the doors or shut off the engine.
You can buy replacement buttons online or at several local hardware stores. They are fairly easy to open and install and only require a little clear plastic tape to cover the old button.
Contact an Auto Locksmith
It's time to consult the experts if you are experiencing problems with your car's key button. Auto locksmiths are experts in the repair of electronic keys and locks. These experts have the tools and expertise to determine and fix issues with your key fob. This includes replacing batteries and reprogramming them. They have the knowledge and expertise to tackle more complicated tasks, such as fixing a broken key or cutting a replacement key.
One of the main reasons for a car key switch to stop working is because the switch inside it has worn out. This is caused by overuse and exposure to the elements. The switch is typically constructed of a tough plastic material and has a variety of switches on its surface. Each switch is responsible for activating a specific function that you use the key for. As the switch gets older it becomes more difficult to activate these functions. This means that you'll need to push down more force on the switch to enable it to function. This could cause more damage to the switch, thereby diminishing its longevity.
The easiest way to solve this issue is to replace the battery inside your car's key fob. You can locate lithium-ion button or coin cell batteries at pharmacies, supermarkets and home improvement stores. After replacing the battery, your key fob should work again.
If the problem persists it may be that the contacts on your key fob's device have been worn out. The contacts are rubber-like and coated with an electricity conducting film, which can wear out over time. They are exposed to elements when you use the keypad and are constantly exposed to dirt and moisture. They will eventually wear to the point that they are unable to contact with the circuit board or the sensor under the keypad.
You can try to get the key fob replaced by going to an auto dealer, but it can be costly and could take quite a while. The other alternative is to contact an auto locksmith in your area who can fix your key fob and save you money.