Car Key Button Repair
The buttons on car keys are subject to a lot of pressure particularly if they are frequently used. This can result in them becoming damaged over time.
There are a few simple solutions that will get your keys back to working. These methods are not completely safe, however. Making changes to batteries or tampering with your key fob's security can be risky. If you're not confident doing these yourself, it's recommended that you contact an auto locksmith professional.
Change the Battery
If you're noticing that your key fob not working as it should, it may be time to replace the battery. You can usually buy replacement batteries from any chain drug store or the parts department at your car dealership. Some manufacturers even include a spare key fob battery inside the packaging when you purchase your car from them.
You will first need to find out the type of battery is used in your key fob. This information is typically found on the manufacturer's website or by looking at the key fob. Generally speaking, the most popular battery used in key fobs is a button cell, similar to those used in remote controls and watches. These kinds of batteries are commonly available at stores like Walgreens and Energizer, and are available for purchase at less than $5 for a package of two.
Once you are aware of the type of battery your key fob is using then you can open it up and remove the old battery. Most key fobs are constructed with a notch or seam that connects them, which you can open by using your fingers, or using the flat side of a screwdriver. When the fob is opened, the battery should be able to pop out and you can then insert the new one in the same orientation as the previous one. A lot of key fobs are powered by CR2032 batteries. These batteries are sold at retailers who sell AAA or AA batteries.
Once the new battery is inserted, you can connect the two halves of the key fob back together and test it to ensure that all buttons work correctly. You can verify that everything is functioning properly by pressing the lock and unlock buttons on the key fob, while pointing it at your vehicle. If your vehicle is still not responding to the key fob, it might be necessary to reprogram the key fob and establish an electronic connection between the two. It's a relatively easy process and only requires the use of a phone or other device to accomplish this.
Reprogram your key fob
If your key fob does not function and you believe it's time to replace it, it may not need a new battery, but instead the old one has to be changed. This procedure varies for each vehicle and the best option is to read the owner's manual (usually available in PDF form on the website of the automaker) or search YouTube for videos explaining how to do this.
In modern vehicles, a special procedure is required to put the vehicle in "programming mode". This usually involves pressing the power button multiple times on the driver's door or ignition while simultaneously pressing a button on the fob within a specific time frame. This is how the fob sends its digital identity code to the vehicle, and it stores it in its memory. The fob functions as a regular key after it has been programmed.
Reprogramming a keyfob will erase any previous keyfobs. Therefore, if you want to keep other fobs, they must be carefully and swiftly reprogrammed after the first one.
There are a few replacement batteries for a car key fob in hardware stores, big-box retailers, or online. It is important to be aware of your car's model and make prior to deciding to purchase a key fob since it isn't easy to locate the right battery.
A CR editor stumbled across an 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 unlock the doors, she was not capable of lowering the windows.
Luckily, dealers can help in this situation in this case, since they have the tools needed to reprogram a fob for a specific car. Dealers are required to carry out 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. Certain dealers, like those at Toyota and Lexus were willing to reprogram a replacement key fob provided 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 you're still unable to start your car, it's time to replace the button on your key. The button on your car key is subjected to a lot use and jostling, and it can get damaged or stuck over time. Every time you press the button on your key fob a unique code is transmitted in a sequence which the receiver in the vehicle can recognize. If repair car key try to operate your vehicle from a distance, it may not recognise you. It could lock the doors or shut off the engine.
You can buy replacement buttons online or in many local hardware stores. It is easy to install them and they are extremely simple to open.
Contact an Auto Locksmith
It may be time to speak with a professional If you're experiencing issues with the key button on your car. Auto locksmiths are experts in the repair of electronic keys and locks. These specialists are equipped with the tools and expertise to identify and fix issues with your key fob. This includes replacing batteries and changing the programming. They also have the expertise and experience to handle more complicated tasks, such as repairing damaged buttons or cutting a new replacement key.
One of the most common reasons for a car key switch to stop working is because the switch inside has worn out. The use of the switch and exposure to elements are the main causes. The switch is constructed of a hard plastic and has several switches on its surface. Each switch is responsible for activating the specific function that you use the key for. As the switch gets older it becomes more difficult to activate these functions. You will need to exert more pressure on the switch in order to activate it. This could cause further damage to the switch and shorten its lifespan.
Replace the battery in your key fob. The majority of cars have lithium-ion button or coin batteries which you can find at pharmacies, supermarkets and home improvement stores. Your key fob will work once you have replaced the battery.
If the problem continues, it may be that the contacts on your key fob have worn out. The contacts are made of rubber and covered by an electrical conducting film that can wear out. As you use the key they are constantly exposed to dust and moisture. They will eventually wear to the point that they're unable to contact with the circuit board, or the sensor underneath the keypad.
The dealer can replace the key fob, however it can be expensive and takes a lot of time. Another option is to call a local locksmith for your car who will be able to fix your key fob and save you money.