Car Key Button Repair
Car key buttons undergo many abuses, especially if used frequently. In time, they could be damaged.
Fortunately, there are several quick solutions to get your keys back to working. However, these solutions come with risks when it comes to changing batteries or tampering with the key fob. If you're not comfortable performing these yourself, it's recommended to consult an expert auto locksmith.
Change the Battery
If you notice that your key fob not working as it should, it could be time to replace the battery. You can purchase replacement batteries in any drugstore chain nationwide or in the parts department of your local dealership for cars. Some manufacturers even include an extra key fob battery inside the packaging when you purchase your car from them.
It is first necessary to determine the type of battery is used in your key fob. The manufacturer may have this information on their website, or you can check the key fob's specifications. The most common type of battery found in a keyfob is the button cell similar to the ones used in watches and remotes. These batteries are available at Walgreens, Energizer and other stores for less than $5 for a pack of two.
You can take the old battery off your key fob when you know which type of battery it uses. Most key fobs are constructed with a notch or a seam where they join together and can be opened by using your fingers, or by using the flat side of a screwdriver. After the fob has been opened, the battery will come out, and you can insert the new one with the same orientation that the old one. The majority of key fobs utilize CR2032 3V batteries, which are readily accessible at a variety of stores that sell AAA and AA batteries.
You can put the two halves back together after inserting the new battery, and then test the key fob to ensure that all buttons function correctly. Pressing the lock and unlock buttons on the key fob while pointing it towards your vehicle will help determine if everything is functioning exactly as it should. If your car is 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 quite simple and only requires the use of your smartphone or another device to accomplish this.
Reprogram your key fob
If you're experiencing issues with your key fob, and you think it's time to replace it It may not be necessary to replace it. Instead, the old battery may need to be reprogrammed. This procedure differs for each vehicle. To find out how to go about it go through the owner's manual. It's typically available in PDF format on the website of the automaker. You can also search YouTube for videos.
The majority of modern vehicles require a specific procedure to put the vehicle into "programming mode," which typically involves engaging the power button on the driver's side door or ignition several times while pressing a button on the fob within a specified time. The fob transmits its unique digital identification code to the vehicle, which then saves it. After the fob is programmed, it will perform the same way as an ordinary key.
Reprogramming a keyfob erases any previous keyfobs. If you wish to keep the other fobs after the first, they must be reprogrammed quickly and with care.
Sometimes you can find replacement batteries for car key fobs at hardware stores, large retailers, or even online. However, you must know the make and model of your car before purchasing a fob battery because the right kind can be difficult to locate.
A CR editor once found an appropriate battery for the key fob she owned, but it was for a different vehicle. This meant that she could start her car and unlock the door, but she was unable to lower the windows.
Dealers can be of great assistance in this situation, since they have the tools to reprogram the fob on a specific vehicle. Dealers are required to perform this procedure on some European automobiles like Audi and BMW because they come with specialized security features that can only be reset at the factory. Some dealers, such as those at Toyota and Lexus were willing to reprogramme a replacement key fob provided you knew the exact model and make of your car.
Replace the Button
If you've tried changing the battery, or reprogramming your key fob, and still can't start your car it might be time to replace that button on the key. Your car key button receives many uses and jostling over the years and can sometimes become stuck or broken. Each press of the button on your car key fob releases a distinct code in a sequence that is recognized by the car's receiver. If you try to operate your vehicle from a distance, it may not recognize you. It might shut the doors or turn off the engine.
You can purchase replacement buttons online or at several local hardware stores. They are fairly easy to open up and install and only require a little clear plastic tape to cover the button.
Contact an Auto Locksmith
It's time to seek out the experts If you're experiencing issues with your car's key button. Auto locksmiths specialise in the repair of electronic car keys and their associated locks. They have the tools and knowledge 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 complex tasks, like repairing a broken key or cutting the replacement key.
The switch in the car key button is typically worn out. This is caused by overuse and exposure to the elements. The switch is made from hard plastic and has multiple switches on its surface. Each switch is able to activate the function for which you are using the key. As the switch gets older it becomes more difficult to activate these functions. As a result, you'll have to press down harder on the switch in order to make it work. This can further damage the switch and reduce its lifespan.
Replace the battery in your key fob. You can find lithium-ion button and coin cell batteries at pharmacies, supermarkets and home improvement stores. Once you've replaced the battery the key fob will be working again.
If for beginners persists, it could be that the contacts inside your key fob have become worn out. The contacts are rubber-like and coated with an electricity conducting film, which could wear away over time. When you use the key, they are constantly exposed to dust and moisture. In time, they'll wear down to the point where they no longer make contact with the circuit board or the sensor beneath the keypad.
You can try to get the key fob replaced at an auto dealer, but this can be expensive and could take quite a while. Another option is to contact a local locksmith for your car, who can repair your key fob and save you money.