Car Key Button Repair
Car key buttons undergo lots of abuse, especially if used frequently. Over time, they can become damaged.
There are a few quick fixes that will allow your keys back to working. However, these techniques carry the potential for dangers when changing batteries or tampering with your key fob. If you are not comfortable with these methods, it is recommended that you consult with a professional auto-locksmith.
Change the Battery
It may be time to change the battery if your key fob no longer works as it should. You can find replacement batteries in any drugstore chain nationwide or at the parts department of your local car dealership. Some manufacturers will even include an extra key fob battery inside the packaging when you purchase a car from them.
You will first need to determine the type of battery is used in your key fob. The manufacturer may have this information on their website or on the actual key fob. Generally, the most common battery used in the key fob is a button cell that is similar to the ones used in remote controls and watches. These batteries are available at Walgreens, Energizer and other stores for less than $5 per box of two.
You can remove the old battery from your key fob when you know the type of battery it has. The majority of key fobs are made with a notch or seam that connects them and can be opened with your fingers, or with the flat side of a screwdriver. After the key fob is been opened the battery will be released. You can then replace it with the same design. Many 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 After that, you can connect the two halves of the key fob together and test it to ensure that all buttons function properly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will help determine if everything is functioning exactly as it should. If your vehicle is not responding to the key fob, it could be necessary to reprogram your key fob and re-establish an internet connection between the two. This is a straightforward process that requires a phone or other device.
Reprogram the Key Fob
If your key fob won't function and you believe it's time to replace it, it may not need an entirely new battery, but rather the original one must be reprogrammed. This process is different for each car. To find out how to go about it go through the owner's manual. It's typically available in PDF format on the automaker website. You can also search YouTube for videos.
In the majority of modern vehicles, a specific procedure is required to put the vehicle in 'programming mode'. This usually involves pressing the power button multiple times on the door of the driver or ignition, while simultaneously pressing a button on the fob within the time frame specified. This is how the fob transmits its digital identity code to the car, which saves it in the memory. The fob functions as an ordinary key once it is programmed.
Reprogramming a keyfob will erase any previous keyfobs. Therefore, if you wish to keep other fobs, they must be carefully and swiftly reprogrammed after the first one.
Sometimes, you can find replacement batteries for car key fobs in hardware stores, big retailers, or even on the internet. You must know your car's make and model before you purchase a fob because it may 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 she was able to start her car and open the door, but she couldn't lower the windows.
Dealers can be extremely helpful in this situation, since they have the equipment to reprogram the fob for a specific vehicle. Certain European vehicles, such as the ones manufactured by Audi and BMW generally require you to go to a dealer for this service due to the fact that they have specific security features that can only be reset by the manufacturer. Other dealers we spoke with such as those from Toyota and Lexus, were willing to try reprogramming a replacement fob as they knew the exact make and model of your car.
Replace the Button
If you've tried changing the battery and reprogramming the key fob, but you still cannot start your car, it might be time to replace the button on your key. The button on the key of your car is subject to a lot use and jostling and can be damaged or stuck over time. Every time you press the button on your key fob the unique code is sent out in a pattern that the vehicle's receiver can recognize. If you try to operate your vehicle from some distance, it might not recognise you. It could shut the doors or turn off the engine.
You can purchase replacement buttons online or at several local hardware stores. It is easy to install them and they are also extremely simple to open.
Contact an Auto Locksmith
It's time to consult the experts if you are experiencing problems with your car's key button. Auto locksmiths are experts in the repair of electronic keys and locks. These specialists are equipped with the tools and expertise to diagnose and fix various issues with your key fob. This includes replacing batteries and reprogramming them. auto key repair are equipped with the knowledge and skills to handle more complex jobs, like fixing a broken key or cutting a replacement key.
The switch in the button for the car key is typically worn out. This is due to excessive use and exposure to elements. The switch is typically made from a hard plastic material and has a variety of switches on the surface. Each switch is responsible for activating a specific function you are using the key for. 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 get it to work. This could further damage the switch and decrease its lifespan.
Replace the battery in your key fob. You can easily find lithium-ion button and coin cell batteries at pharmacies, supermarkets and home improvement stores. After replacing the battery your key fob should work once more.
If the problem continues, it may be that your key fob's contacts have worn out. The contacts are rubber-like and coated with an electricity conducting film, which could wear down over time. When you use the keypad, they are constantly exposed to dust and moisture. Over time, they become worn until they are no longer in contact with the circuit board or sensor underneath the keypad.
The dealer can replace the key fob, however it can be expensive and take a lot of time. The other option is to call an auto locksmith in your area, who will be able to fix your key fob and help you save money.