Car Key Button Repair
Car key buttons endure lots of abuse particularly when they are used regularly. As time passes, they may become damaged.
There are a few simple solutions that will get your keys back in working order. These methods are not without risk, however. Altering batteries or altering the key fob could be risky. If you are not comfortable with these methods, it's recommended that you consult with a professional auto-locksmith.
Change the Battery
It could be time to change the battery in your key fob if it isn't working as it should. You can usually buy replacement batteries from any chain drug store or the parts department at your car dealership. Some manufacturers even include an extra key fob battery in their packaging when you purchase your car from them.
It is first necessary to find out what type of battery is used in your key fob. This information is usually available on the site of the manufacturer or by looking at the key fob. The most commonly used battery that is used in a key fob is a button cell similar to the ones used in watches and remote controls. These kinds of batteries are commonly available at stores like Walgreens and Energizer and are available for under $5 for a set of two.
You can take the old battery off your key fob when you know what kind of battery it is using. It is possible to open most key fobs using your fingers or a flat tool such as a screwdriver, at the notch or seam where they connect. After the key fob is been opened the battery will be released. It is then possible to replace it in the same orientation. Many key fobs are powered by CR2032 batteries. These batteries are available at retailers who sell AAA or AA batteries.
You can snap the two halves back together after inserting the new battery, and then test the key fob to make sure that all buttons function properly. Pressing the locks and unlock buttons on the key fob while pointing it at your vehicle will help determine whether or not everything is functioning exactly as it should. If your car is not responding to the key fob, it may be necessary to reprogram your key fob and establish a wireless connection between the two. Fortunately, this is a relatively easy process and requires only the use of your smartphone or another device to do so.
Reprogram the Key Fob
If your key fob doesn't work 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 is different for every car so the best way to find out is to consult the owner's manual (usually available in PDF form on the site of the automaker) or look on YouTube for videos that explain how to accomplish this.
Most modern vehicles require a special 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 a button on the fob within a certain time frame. This is how the fob sends its digital identity code to the car, which saves it in the memory. Once the fob is programmed, it will function like an ordinary key.
Reprogramming a keyfob will erase any previous keyfobs. If you want to keep the other fobs after the first, they should be programmed quickly and with care.
There are a few replacement batteries for a car key fob in hardware stores, big-box retailers or online. It is important to know your car's make and model before you purchase a key fob since it can be difficult to locate the correct battery.
A CR editor stumbled across the battery for her key fob, however, it was from an entirely different vehicle. This meant that while she was able to start the car and unlock the doors, she wasn't able to lower the windows.
Fortunately, dealers can assist you in this instance, as most of them have the equipment needed to reprogram a fob into a specific car. Some European cars, such as those made by Audi and BMW typically require a dealer to get this service because they use specialized security features that can only be reset by the manufacturer. Other dealers we spoke to such as those from Toyota and Lexus were willing to reprogramme an original fob so provided you know the exact model and make of your car.
Replace the Button
If you've tried changing the battery and reprogramming the key fob and still can't start your car it could be time to replace the button on the key. The key on your car receives many uses and jerking over time and may get stuck or damaged. Each press of the button on your key fob releases a distinct code in a sequence that is recognised by the car's receiver. If car key fob repairs near me attempt to operate your car from a distance without using the correct code can cause it to not recognize you and lock the doors or shut off the engine.
You can buy replacement buttons online or at many local hardware stores. They are relatively simple to open and install and require only a small amount of clear plastic tape to cover the old button.
Contact an Auto Locksmith
It could be time to seek out the experts when you're having issues with the key button on your car. Auto locksmiths are experts in the repair of electronic keys and locks. These experts have the tools and knowledge to identify and fix issues with your key fob. This includes replacing batteries and reprogramming them. They also have the skills and expertise to tackle more complicated jobs like fixing a broken button or even cutting a replacement key.
One of the most common reasons for a car's key button to stop working is because the switch inside has worn out. Overuse and exposure to elements are the primary causes. The switch is typically made of a tough plastic material and has a variety of switches that are located on the surface. Each of these switches is responsible for activating the particular function that you use the key to activate. As the switch age, it becomes more difficult to turn on these functions. You will have to apply more pressure to the switch in order to activate it. This could cause further damage to the switch and shorten its lifespan.
The most straightforward solution to this problem is to replace the battery inside your car key fob. A lot of models of cars use lithium-ion coin or button batteries, which you can easily find in supermarkets, pharmacies and home improvement stores. Your key fob should now work once you have replaced the battery.
If the issue persists, it could be because the contacts on your key fob have worn out. The contacts are rubber-like and coated with an electric conducting film that can wear down over time. They are exposed to elements when you use the key which means they are constantly exposed to dirt and moisture. Eventually, they will become worn until they're no longer in contact with the circuit board or the sensor beneath the keypad.
The dealership can replace the key fob, however it can be expensive and takes a lot of time. You can also contact an expert locksmith in your area who can repair your key fob for an affordable price.