Car Key Button Repair

Car key buttons endure lots of abuse particularly when they are used regularly. Over time, they can become faulty.

There are a few quick fixes that can get your keys back to working. These solutions are not without risk, however. Making changes to batteries or tampering with the key fob could be risky. If you're not confident with these methods, it's recommended to seek advice from an expert auto-locksmith.

Change the Battery

It's possible to change the battery in your key fob if it no longer works as it should. You can typically purchase replacement batteries at any national chain drug store or in the parts department at your car dealership. Some manufacturers offer a spare battery with your car when you buy it.

The first thing you will have to do is find out which battery your key fob uses. This information is typically found on the manufacturer's website or by checking the key fob. Generally, the most common battery that is used in the key fob is a button cell, similar to those used in watches and remote controls. These batteries are available at Walgreens, Energizer and other stores for less than $5 per pack of two.

You can take the old battery off your key fob when you know what kind of battery it is using. You can open most key fobs by using your fingers or a flat tool, like a screwdriver, at the seam or notch where they join. Once the key fob has been opened the battery will pop out. It is then possible to replace it with the same orientation. The majority of key fobs are powered by CR2032 3V batteries, which are easily available at numerous stores that sell AAA and AA batteries.

You can join the two halves together after you have inserted the new battery and then test the key fob to make sure that all buttons are functioning properly. You can verify that everything is functioning properly by pressing the lock and unlock button on the key fob while pointing it towards your vehicle. If your vehicle does not respond to the keyfob, you may need to reprogram the fob to establish wireless connectivity. Fortunately, this is quite simple and only requires the use of your phone or other device to accomplish this.

Reprogram the Key Fob

If you're having issues with your key fob and think it's time to replace it, it might not be required to replace it. Instead the battery you have may need to be reprogrammed. This procedure differs for each car. To learn how to go about it, consult your owner's manual. It's usually available in PDF format on the automaker website. You can also search YouTube for videos.

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 the fob's button within a specified time. The fob sends its digital identification code to the vehicle, which then will save it. Once the fob is programmed, it will behave as normal keys.

It is important to remember that changing the programming of a key fob will wipe out any other key fobs that have been programmed previously. Therefore, if you want to keep other fobs, they need to be reprogrammed with care and Car Key Button Repair speed after the first one.

Sometimes, you can find replacement batteries for key fobs for cars in hardware stores, big retailers, or even online. You must know your car's model and make before you purchase a key fob since it may be difficult to locate the right battery.

A CR editor found an battery for her key fob, but it was from an entirely different vehicle. This meant that she could start her car and unlock the door, but couldn't lower the windows.

Fortunately, the dealer can assist in this case and most dealers have the tools needed to reprogram a fob for a specific car. Dealers are required to perform this service on certain European automobiles like Audi and BMW due to their unique security features which can only be reset in the factory. Some dealers, like those at Toyota and Lexus were willing to reprogram an alternative key fob in the event that you could identify the exact model and year of your car.

Replace the Button

If you've tried changing the battery and programming the key fob, but you still not being able to start your car, it may be time to replace the button on your key. Your car key button receives many uses and jolting over time and can sometimes get stuck or even broken. Each time you press the button on your key fob the unique code is sent out in a sequence which the receiver inside the vehicle can recognize. If you try to operate your vehicle from a distance, it may not recognise you. It might close the doors or turn off the engine.

You can buy replacement buttons online or in many local hardware stores. They are fairly easy to open up and install and require just a bit of clear plastic tape to cover the button.

Contact an Auto Locksmith

If you're having trouble with your car key it could be time to call in the experts. Auto locksmiths are experts in the repair car key fob of electronic keys and locks. These specialists are equipped with the tools and know-how to diagnose and fix various issues with your key fob. This includes replacing batteries and reprogramming them. They have the expertise and skills to handle more complicated tasks, such as fixing a damaged key or cutting an alternative key.

One of the most common reasons for a car's key button to stop working is because the switch inside has worn out. This is due to overuse and exposure to the elements. The switch is made of an extremely hard plastic with multiple switches on its surface. Each of these switches is responsible for activating the specific function that you use the key for. As the switch gets older over time, it becomes more difficult to turn on each of these functions. You will need to exert more pressure on the switch in order to get it to work. This could result in more damage to the switch, reducing its life span.

Replace the battery in your key fob. Many models of car use lithium-ion coin or button cell batteries which you can find at pharmacies, supermarkets and home improvement stores. Once you've replaced the battery, your key fob should be working again.

If the problem persists, it could be that the contacts in your key fob have become worn out. The contacts are made of rubber and are covered with an electrically conducting film that can wear out. When you use the keypad, they are exposed to dust and moisture. In time, they'll become worn to the point that they're no longer in contact with the circuit board or sensor underneath the keypad.

You can attempt to get the key fob replaced by visiting a car dealership, however it can be costly and could take an extended time. Another option is to contact an auto locksmith in your area, who will be able to fix your key fob and save you money.