Car Key Button Repair
Car key buttons take lots of abuse particularly if they are used frequently. This could lead to them becoming faulty over time.
There are a variety of quick solutions to get your keys back to working. However, these methods have risks associated with changing batteries or tampering with your key fob. If you're not confident doing these yourself, it's recommended that you contact an auto locksmith professional.
Change the Battery
If you are noticing that your key fob is not working as it should, it may be time to replace the battery. You can find replacement batteries in any drugstore chain nationwide or in the parts department of your local car dealership. Some manufacturers even include a spare key fob battery in their packaging when you purchase your car from them.
You will first need to find out what kind of battery is used in your key fob. This information is usually available on the manufacturer's website or by checking the key fob. The most popular type of battery in keyfobs is the button cell like the ones found in watches and remotes. These types of batteries are typically sold at places like Walgreens and Energizer, and can be bought for less than $5 for a set of two.
If you are aware of the type of battery your key fob is using you can open it up and remove the old battery. Most key fobs are constructed with a seam or notch that connects them, which you can open by using your fingers or by using a flat tool like a screwdriver. 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 old one. The majority of key fobs are powered by CR2032 3V batteries, which are easily accessible at a variety of retailers that sell AAA and AA batteries.
You can snap the two halves back together after you have inserted the new battery, and then test the key fob to make sure that all buttons work correctly. Pressing the locks and unlock buttons on the key fob while pointing it towards your vehicle will help determine if everything is working as it should be. If your vehicle is still not responding to the key fob, it may be necessary to reprogram your key fob to establish an internet connection between the two. This is a relatively simple process that only requires a phone or other device.
Reprogram the Key Fob
If your key fob does not function and you believe it needs to be replaced the fact is that it might not require an entirely new battery, but instead the original one must be changed. This procedure is different for every car, so your best bet is to consult the owner's manual (usually accessible in PDF format on the website of the automaker) or search YouTube for videos on how to do this.
The majority of modern automobiles require a particular procedure to put the vehicle into 'programming mode,' which usually involves pressing the power button on the driver's side door or ignition a few times while pressing the fob's button within a certain time frame. The fob transmits its unique digital identification code to the vehicle, and then will save it. The fob can function as an ordinary key once it is programmed.
Reprogramming a keyfob erases any previous keyfobs. If you want to keep the other fobs following the first, they should be programmed quickly and carefully.
You can often find replacement batteries for your car key fob in hardware stores, big-box retailers or online. It is important to know the model and make before you purchase a fob as it can be difficult to locate the right battery.
A CR editor discovered a battery for her key fob however, it was from another vehicle. This meant that although 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 tools to reprogram the fob on the specific vehicle. Dealers are required to perform this procedure on some European vehicles like Audi and BMW because they have specialized security features that can only be reset at the factory. Certain dealers, like those at Toyota and Lexus were willing to reprogram an alternative key fob if you knew the exact model and make 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's time to replace the button on your key. The key on your car receives lots of use and jerking over time and may get stuck or even broken. Each time you press the button on your car key fob generates a unique code in a sequence that is recognised by the receiver inside the vehicle. If you try to operate your vehicle from some distance, it might not recognize you. It may shut the doors or turn off the engine.
You can buy replacement buttons online or in many local hardware stores. It is simple to install buttons and they are very easy to open.
Contact an Auto Locksmith
If you're having trouble with the car key button it could be time to consult the experts. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. These specialists have the tools and know-how to determine and fix issues with your key fob. g28carkeys includes replacing batteries and changing the programming. They also have the skills and expertise to tackle more complex tasks such as fixing a broken button or even cutting a new replacement key.
One of the most common reasons for a car key switch to stop working is because the switch inside it has worn out. Excessive use and exposure to elements are the primary causes. The switch is constructed of an extremely hard plastic with several switches on its surface. Each switch activates the function for which you are using the key. As the switch gets older over time, it becomes more difficult to turn on each of these functions. In the end, you'll need to push down harder on the switch in order to make it work. This could further damage the switch and decrease the life span of the switch.
Replace the battery in your key fob. You can find lithium-ion button or coin cell batteries in pharmacies, supermarkets and home improvement stores. Your key fob will be working after replacing the battery.
If the issue persists, it may be that your key fob's contacts have been worn out. The contacts are made of rubber, and are covered with an electrically conducting film that wears out. As you use the key they are continuously exposed to moisture and dust. Eventually, they will get worn down to the point where they are no longer in contact with the circuit board or the sensor beneath the keypad.
The dealership can replace the key fob, but it can be expensive and take a lot of time. The other option is to contact a local locksmith for your car who can repair your key fob and save you money.