Car Key Button Repair
Car key buttons endure a lot of abuse, especially if used frequently. This can lead to them becoming damaged over time.
Fortunately, there are several quick fixes to make your keys work again. However, these solutions come with risks associated with changing batteries or altering your key fob. If you're not comfortable doing these yourself, it's recommended that you contact an auto locksmith professional.
Change the Battery
It could be time to change the battery in the case that your key fob no longer works as it should. You can usually find replacement batteries at any national chain drug store or the parts department of your automobile dealership. Some manufacturers even include a spare key fob battery in the packaging when you purchase your car from them.
First, you'll need to find out the kind of battery is used in your key fob. The manufacturer will likely have this information on their website, or you can check the key fob's specifications. The most commonly used battery used in the key fob is a button cell type similar to the ones used in watches and remote controls. These batteries are available at Walgreens, Energizer and other stores for less than $5 per box of two.
You can remove the old battery from your key fob once you know the type of battery it uses. You can open most key fobs using your fingers or a flat tool, like a screwdriver at the seam or notch at which they join. After the fob has been opened, the battery will pop right out and you can then insert the new one in the same orientation that the old one. Most key fobs use CR2032 3V batteries, which are available at numerous stores that sell AAA and AA batteries.
Once the new battery is installed After that, you can connect the two halves of the key fob together and check that all buttons function properly. You can test if all functions are working correctly by pressing the lock and unlock buttons on the key fob while pointing it towards your vehicle. If your car doesn't respond to the key fob, you may need to reprogram the fob to establish wireless connectivity. This is a simple process that only requires your phone or another device.
Reprogram the Key Fob
If your key fob does not function and you believe it's time to replace it It may not require a new battery, but instead the old one has to be reprogrammed. This process is different for each vehicle. To learn the procedure you must consult the owner's manual. It's usually available in PDF format on the automaker's website. You can also search YouTube for videos.
In the majority of modern vehicles, a specific procedure is required to put the vehicle in "programming mode". This usually involves pressing the power button several times on the driver's door or ignition, while simultaneously pressing the button on a fob within a time-specific period. This is how the fob transmits its digital identity code to the car, which saves it in the memory. Once the fob is programmed, it will perform the same way as normal keys.
Reprogramming a fob will erase any previous keyfobs. Therefore, if you want to keep other fobs, they need to be carefully and swiftly reprogrammed after the first one.
Sometimes, you can find replacement batteries for car key fobs in hardware stores, big retailers, or even on the internet. But, it is important to know the make and model of your car before purchasing a battery for your fob because the right kind can be difficult to locate.
A CR editor found an battery for her key fob however, it came from a different vehicle. This meant that although she was able to start the car and open the doors, she wasn't in a position to lower the windows.
Dealers can be extremely helpful 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 vehicles like Audi and BMW because they come with specialized security features that can only be reset by the manufacturer. Other dealers we spoke to, including those at Toyota and Lexus were willing to attempt reprogramming the fob in a replacement as they knew the exact make and model of your car.
Replace the Button
If you've tried changing the battery and reprogramming the key fob but cannot start your car, it may be time to replace the emergency car key repair button on the key. Your car key button receives lots of use and jolting over time and can get stuck or even broken. Every time you press the button on your car key fob emits a different code that is recognised by the receiver inside the vehicle. If you attempt to operate your vehicle from a distance, it may not recognize you. It may shut the doors or turn off the engine.
You can buy replacement buttons online or at several local hardware stores. It is easy to install buttons and they are very easy to open.
Contact an Auto Locksmith
It may be time to speak with a professional If you're experiencing issues with your car's key switch. Auto locksmiths specialize in the repair of electronic car keys as well as their associated locks. These specialists have the tools and know-how to determine and fix issues with your key fob. This includes replacing batteries and reprogramming them. They have the expertise and skills to handle more complex jobs, like fixing a damaged key or cutting a replacement key.
One of the main reasons for a car key button to stop working is because the switch inside has worn out. This is due to excessive use and exposure to elements. The switch is made of an extremely hard plastic with many switches on its surface. Each of these switches is responsible for activating the specific function you are using the key to activate. As the switch ages over time, it becomes more difficult to turn on each of these functions. This means that you'll need to push down more force on the switch in order to enable it to function. This could further damage the switch and decrease its lifespan.
The most effective solution to this problem is to replace the battery in the key fob of your car. You can locate lithium-ion button or coin cell batteries in pharmacies, supermarkets 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 the contacts on your key fob's device have been worn out. The contacts are made of rubber and coated with an electrically conducting film that can wear away over time. They are exposed to elements when you use the keypad, so they're constantly being exposed to dirt and moisture. They will eventually wear to the point where they can no longer make contact with the circuit board or the sensor under the keypad.
You can try to get the key fob replaced by visiting an auto dealer, but it can be costly and may take an extended time. You can also contact an emergency locksmith who will fix your key fob at an affordable price.