Car Key Button Repair

The buttons on keys for cars are subjected to a lot, especially if they are used frequently. This can result in them becoming faulty over time.

There are many quick solutions to get your keys back to working. These methods do not come without risk however. Changing batteries or tampering the key fob could be risky. If you're not comfortable doing these yourself, it is recommended to consult an expert auto locksmith.

Change the Battery

If you are noticing that your key fob is not working as it should, it could be time to replace the battery. You can find replacement batteries at any chain drugstore nationwide or at the parts department of your local car dealership. Some manufacturers include an extra battery with the car when you purchase it.

The first thing you will need to do is determine what battery is used in your key fob. This information is typically available on the website of the manufacturer or by examining the key fob. The most commonly used type of battery in the keyfob is the button cell similar to those found in watches and remotes. These types of batteries are commonly found at stores such as Walgreens and Energizer, and are available for purchase for less than $5 for a package of two.

You can remove the old battery from your key fob when you know the type of battery it has. Most key fobs are designed with a seam or notch where they join together and can be opened by using your fingers, or with a flat tool like a screwdriver. When the fob is opened, the battery should pop right out and you can then insert the new one with the same orientation that the old one. The majority of key fobs are powered by CR2032 3V batteries, which are readily available at many retailers that sell AAA and 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 are functioning correctly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will help you determine if everything is functioning in the way it should. If your car is not responding to the key fob, it may be required to reprogram the key fob and establish an electronic connection between the two. This is a fairly easy process that requires your phone or another device.

Reprogram the Key Fob

If you're having trouble with your key fob and believe that it's time to get a new one It may not be necessary to replace it. Instead the battery you have may need to be reprogrammed. This process varies by car and the best option is to read the owner's manual (usually available in PDF form on the site of the automaker) or search YouTube for videos that explain how to go about this.

In most modern vehicles, a particular procedure is required to put the vehicle in "programming mode". This usually involves pressing the power button a few times on the driver's door or ignition, while simultaneously pressing a button on a fob in a time-specific period. This is how the fob communicates its digital identification code to the vehicle, which stores it in its memory. The fob functions as an ordinary key once it has been programmed.

Reprogramming a keyfob will erase any previous keyfobs. Therefore, if you'd like to keep other fobs, they need to be reprogrammed with care and speed after the first one.

Sometimes you can find replacement batteries for key fobs for cars at hardware stores, large retailers, or even on the internet. But, it is important to know the make and model of your car prior to purchasing a battery for your fob because the right kind isn't always easy to locate.

A CR editor stumbled across the battery for her key fob, however, it came from a 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 of great assistance in this regard, since they have the equipment necessary to reprogram the fob on specific vehicles. Dealers are required to carry out this service on certain European automobiles like Audi and BMW due to their unique security features that can only be reset in the factory. Other dealers we spoke with such as those at Toyota and Lexus, were willing to reprogramme the fob key repair in a replacement as provided you know the exact model and make of the car you own.

Replace the Button

If you've tried changing the battery, or reprogramming your key fob, and you're still unable to start your car, it's time to replace that button on your key. The button on your car key is subjected to a lot use and jostling, and it can become stuck or damaged over time. Each press of the button on your key fob emits a different code that is recognized by the receiver inside the vehicle. If you attempt to operate your vehicle from some distance, it might not recognise you. It could close the doors or turn off the engine.

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

Contact an Auto Locksmith

If you're experiencing issues with the car key button, it may be time to consult the experts. Auto locksmiths are experts in the Keyless entry Repair of electronic keys and locks. These specialists are equipped with the tools and know-how to determine and fix issues with your key fob. This includes replacing batteries and reprogramming them. They also have the knowledge and experience to handle more complicated tasks, such as repairing a broken button or even cutting a replacement key.

The switch in the button for the car key is usually worn out. This is due to excessive use and exposure to the elements. The switch is typically constructed from a hard plastic material and has a variety of switches on the surface. Each switch is responsible for activating the particular function that you use the key to activate. As the switch gets older, it becomes more difficult to activate these functions. You will have to exert more pressure on the switch to activate it. This can cause further damage to the switch, thereby decreasing its longevity.

Replace the battery in your key fob. The majority of cars have lithium-ion coin or button batteries, which you can easily find in supermarkets, pharmacies, and home improvement stores. After you've replaced the battery the key fob will be working again.

If the issue persists, it could be that the contacts in the key fob have worn out. The contacts are rubber-like and coated with an electricity conducting film that can wear out over time. As you use the key they are constantly exposed to moisture and dust. They will eventually wear to the point where they can no longer make contact with the circuit board, or the sensor under the keypad.

The dealership can replace the key fob, but it could be costly and take a long time. You can also contact an emergency locksmith who can repair your key fob for an affordable price.