Car Key Button Repair
Car key buttons undergo a lot of abuse particularly if they are used frequently. In time, they could become damaged.
Fortunately, there are several quick fixes to get your keys working again. However, these techniques carry risks when it comes to changing batteries or tampering with the key fob. If you're not confident doing these things yourself, it's recommended to consult a professional auto locksmith.
Change the Battery
It's possible to replace the battery in your key fob if it no longer works as it should. You can buy replacement batteries at any national chain drugstore or at the parts department at your local car dealership. Some manufacturers even include an extra key fob battery in their packaging when you purchase your car from them.
The first thing you will need to do is find out which battery is used in your key fob. The manufacturer should have this information on their website or you can look it up on the actual key fob. Generally speaking, the most popular battery used in the key fob is a button cell type, similar to those used in watches and remote controls. These types of batteries are sold at places like Walgreens and Energizer, and can be bought for under $5 for a set of two.
You can remove the old battery from your key fob once you know the type of battery it uses. Most key fobs are designed with a seam or notch between them, which you can open by using your fingers or with an instrument that is flat, such as a screwdriver. Once the key fob has been opened the battery will pop out. It is then possible to replace it in the same orientation. A lot of key fobs are powered by CR2032 batteries. These batteries are available at stores that sell AAA or AA batteries.
Once the new battery is inserted after which you can snap the two parts of the key fob together and test it to ensure that all buttons are functioning correctly. Pressing the lock and unlock buttons on the key fob while pointing it towards your vehicle will allow you to determine whether or not everything is functioning exactly as it should. If your car doesn't respond to the key fob, you may have to reset the fob to establish an internet connection. It's quite simple and requires only the use of a phone or other device to do so.
Reprogram your key fob
If you're having issues with your key fob, and you think it's time to replace it It may not be necessary to replace it. Instead the battery you have may need to be reprogrammed. This procedure is different for every car. To find out how to do it you must consult the owner's manual. It's usually available in PDF format on the website of the automaker. You can also search YouTube for videos.
In most modern vehicles, a special procedure is required to put the vehicle into "programming mode". This typically involves pressing the power button a few times on the door of the driver or ignition, while simultaneously pressing the button on the fob within the time frame specified. This is how the fob sends its digital identification code to the car, which saves it in memory. The fob can function as normal keys once it is programmed.
Reprogramming a keyfob erases any previous keyfobs. Therefore, if you want to keep other fobs, they must be reprogrammed with care and speed after the first one.
Sometimes, you can find replacement batteries for key fobs for cars at hardware stores, large retailers, or even on the internet. However, you need to be aware of the make and model of your car prior to purchasing a battery for your fob 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 used however, it was for a different vehicle. This meant she could start her car and open the door, but couldn't lower the windows.
Luckily, dealers can assist you in this instance in this case, since they have the equipment needed to reprogram a fob into the specific vehicle. Some European vehicles, such as the ones manufactured by Audi and BMW generally require a dealer to get this service because they use special security features that can only be reset by the manufacturer. Other dealers we spoke with, including those from Toyota and Lexus, were willing to try reprogramming the fob in a replacement as long as you knew the exact model and make of the car you own.
Replace the Button
If you've tried changing the battery, or reprogramming your key fob, and still haven't been able to start your car it's time to replace the button on your key. go!! on the car key is subject to a lot of pressure and jostling, and it can get damaged or stuck over time. Each time you press the button on your key fob the unique code is transmitted in a sequence which the receiver inside the vehicle is able to recognize. If you attempt to operate your car from a distance without the correct code can cause it to not recognize you and then lock the doors or turn off the engine.
You can buy replacement buttons online or in numerous local hardware stores. They are easy to open up and install and only require a little clear plastic tape to cover the old button.
Contact an Auto Locksmith
If you're having trouble with the car key button it could be time to contact the experts. Auto locksmiths are experts in the repair of electronic keys and locks. They have the experience and tools necessary to diagnose and fix a variety of issues with your key fob including replacing batteries and changing their programming. They have the knowledge and expertise to tackle more complicated tasks, such as fixing a damaged key or cutting an alternative key.
One of the main reasons for a car's key button to stop working is that the switch inside it has worn out. This is caused by overuse and exposure to the elements. The switch is made of hard plastic and has multiple switches on its surface. Each of these switches activates the function for which you use the key. As the switch ages, it becomes more difficult to activate these functions. As a result, you'll have to press down more force on the switch to make it work. This can further damage the switch and decrease its lifespan.
The most straightforward solution to this issue is to replace the battery inside your car key fob. A lot of models of cars use lithium-ion coin or button batteries that you can buy at supermarkets, pharmacies and home improvement stores. Your key fob should be working after replacing the battery.
If the problem persists it could be because the contacts in the key fob have worn out. The contacts are made of rubber and covered by an electrically conducting film that wears out. They are exposed to the elements as you use the keypad, so they're constantly being exposed to dirt and moisture. Eventually, they will wear down to the point that they are no longer in contact with the circuit board or sensor underneath the keypad.
The dealership can replace your key fob, but it can be expensive and take a long time. You can also call an emergency locksmith who will repair your key fob at less.