Car Key Button Repair
The buttons on the car keys are subject to a lot of pressure particularly if they are often used. As time passes, they may be damaged.
There are many quick fixes to make your keys work again. However, these techniques carry the potential for dangers when changing batteries or altering the key fob. If you're not confident with these methods, it is recommended that you consult with an expert auto-locksmith.
Change the Battery
It could be time to replace the battery in your key fob if it no longer works as it should. You can find replacement batteries at any national chain drugstore or at the parts department at your local dealership for cars. Some manufacturers even include a spare key fob battery in their packaging when you purchase a car from them.
The first thing you'll have to do is find out what kind of battery your key fob is powered by. This information is usually available on the manufacturer's website or by looking at the key fob. The most commonly used battery used in key fobs is a button cell, similar to those used in remote controls and watches. These batteries are available at Walgreens, Energizer and other stores for less than $5 per pack of two.
You can remove the old battery from your key fob when you know the type of battery it uses. car key repair service is possible to open most key fobs by using your fingers or a flat tool, such as a screwdriver, at the notch or seam where they join. Once the fob is opened, the battery will pop right out and you can then insert the new one in the same orientation as the old one. A lot of key fobs are powered by CR2032 batteries. These batteries are sold at retailers that sell AAA or AA batteries.
After the new battery has been installed, you can connect the two parts of the key fob together and check that all buttons are functioning correctly. You can test if everything is functioning properly by pressing the lock and unlock button on the key fob, while pointing it towards your vehicle. If your vehicle is still not responding to the key fob, it may be necessary to reprogram the key fob to establish an electronic connection between the two. Luckily, this is quite simple and only requires the use of your smartphone or another device to perform the procedure.
Reprogram your key fob
If you're having trouble with your key fob, and you think it needs a new one, it might not be required to replace it. Instead the old battery might need to be reprogrammed. This procedure varies for each vehicle, so your best bet is to consult the owner's manual (usually accessible in PDF format on the automaker's website) or search YouTube for videos on how to go about this.
In 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 driver's door or ignition, while simultaneously pressing the button on a fob within a specific time frame. This is how the fob transmits its digital identification code to the car, which saves it in the memory. The fob functions as a regular key after it has been programmed.
Reprogramming a keyfob will erase any previous keyfobs. Therefore, if you'd like to keep other fobs, they must be reprogrammed with care and speed after the first one.
There are a few replacement batteries for your key fob for your car at hardware stores, big-box retailers, or even online. However, you must be aware of the model and make of your car prior to purchasing a fob battery because the correct type of battery can be tricky to find.
A CR editor once found an appropriate battery for the key fob she used, but it was for a different car. This meant she was able to start her car and open the door, but couldn't lower the windows.
Dealers can be extremely helpful in this case, as they have the equipment necessary to reprogram the fob on a specific vehicle. Some European vehicles, such as those manufactured by Audi and BMW typically require a dealer to get this service because they use special security features that can only be reset by the manufacturer. Certain dealers, like those at Toyota and Lexus were willing to reprogramme a replacement key fob if 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's time to replace that button on the key. The car key button gets lots of use and jerking over time and can become stuck or broken. Every time you press the button on your car key fob releases a distinct code in a sequence that is recognized by the receiver inside the vehicle. Trying to operate your vehicle from a distance without the proper code could cause it to not recognize you and shut the doors or shut off the engine.
You can purchase replacement buttons online or in numerous local hardware stores. They are easy to open and install and require just a bit of clear plastic tape to cover the old button.
Contact an Auto Locksmith
It's time to consult the experts when you're having issues with the key button on your car. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. They have the tools and expertise to determine and fix issues with your key fob. This includes replacing batteries and changing their programming. They also have the expertise and experience to handle more complicated tasks like fixing a broken button or even cutting a new replacement key.
The switch in the car key button is typically worn out. Overuse and exposure to elements are the primary causes. The switch is typically constructed of a tough plastic material and it has several different switches that are located on the surface. Each switch activates the function that you select with the key. As the switch ages over time, it becomes more difficult to turn on each of these functions. You will have to exert more pressure on the switch in order to activate it. This could further damage the switch and reduce its lifespan.
Replace the battery in your key fob. It is easy to find lithium-ion button and coin cell batteries at supermarkets, pharmacies and home improvement stores. Once you've replaced the battery the key fob will be working again.
If the problem continues, it could be because the contacts on your key fob have been worn out. The contacts are made of rubber and coated with an electrically conducting film, which could wear out over time. They are exposed to the elements as you use the keypad, so they're constantly being exposed to dirt and moisture. They'll eventually wear down to the point where they can no longer make contact with the circuit board, or sensor beneath the keypad.
You can try to get the key fob replaced at a vehicle dealership, but it can be costly and could take quite a while. Another option is to contact a local locksmith for your car who can fix your key fob and help you save money.