Car Key Button Repair

Car key buttons endure a lot of abuse particularly when they are used regularly. This can result in them becoming damaged over time.

There are a few easy fixes that can get your keys back to working. These methods are not completely safe, however. Changing batteries or tampering your key fob's security can be risky. If you're not comfortable doing these yourself, it is recommended to contact a professional auto locksmith.

Change the Battery

If you are noticing that your key fob no longer working as it should, it could be time to replace the battery. You can typically purchase replacement batteries at any national chain drug store or the parts department of your car dealership. Some manufacturers will 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 determine what battery is used in your key fob. The manufacturer should have this information on their website, or you can check the key fob itself. The most commonly used type of battery found in keyfobs is the button cell like the ones found in watches and remotes. These kinds of batteries are available at stores like Walgreens and Energizer and can be bought at less than $5 for a set of two.

You can remove the old battery from your key fob once you know what kind of battery it is using. The majority of key fobs are made with a notch or seam where they join together, which you can open by using your fingers or using a flat tool like a screwdriver. After the fob has been opened, the battery will come out, and you can then insert the new one in the same orientation as the old one. The majority of key fobs utilize CR2032 3V batteries, which are easily available at many retailers that sell AAA and AA batteries.

Once the new battery is inserted, you can take the two pieces of the key fob back together and Car Key Button Repair test it to ensure that all buttons are functioning properly. Pressing the locks and unlock buttons on the key fob while it is pointed at your vehicle will help determine whether or not everything is working as it should be. If your vehicle is still not responding to the key fob, it could be necessary to reprogram the key fob and establish a wireless connection between the two. This is a easy process that requires your phone or another device.

Reprogram the Key Fob

If you're experiencing issues with your key fob and think that it's time to get a new one however, it may not be required to replace it. Instead the battery you have may require reprogramming. This procedure is different for every car and the best option is to consult the owner's manual (usually available in PDF form on the automaker's website) or look on YouTube for videos that explain how to accomplish this.

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

It is important to know that the process of reprogramming a key fob can wipe out any other key fobs which have been previously programmed. Therefore, if you wish to keep other fobs, they need to be carefully and quickly reprogrammed after the first one.

You can sometimes find replacement batteries for a key fob for your car remote key fob repair at hardware stores, big-box retailers, or even online. However, you must be aware of the model and make of your car prior to buying a fob battery as the correct type of battery isn't always easy to locate.

A CR editor discovered the battery for her key fob however, it came from a different vehicle. This meant that, while she was able to start the car and unlock the doors, she wasn't in a position to lower the windows.

Fortunately, the dealer can assist you in this instance, as most of them have the equipment needed to reprogram a fob for the specific vehicle. Some European vehicles, such as those made by Audi and BMW, will usually require an authorized dealer for this service due to the fact that they have special security features that can only be reset by the manufacturer. Other dealers we spoke to like those at Toyota and Lexus were willing to try reprogramming the fob in a replacement as provided you know the exact model and make of the vehicle you are driving.

Replace the Button

If you have tried changing the battery and programming the key fob and still not being able to start your car, it could be time to replace the button on the key. The key on your car receives many uses and jostling over the years and can sometimes get stuck or damaged. When you press the button on your key fob a unique code is transmitted in a sequence that the vehicle's receiver is able to recognize. When you try to operate your car from a distance and not using the proper code could cause it not to recognise you and lock the doors or shut off the engine.

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

Contact an Auto Locksmith

If you're experiencing issues with your car key It could be time to consult the experts. Auto locksmiths specialise in the repair of electronic car keys and their associated locks. They have the expertise and tools needed to identify and repair a variety of issues that may arise with your key fob including replacing batteries and changing the programming. They also have the knowledge and experience to handle more complicated tasks such as fixing broken buttons or cutting a new 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. Excessive use and exposure to elements are the main causes. The switch is made of hard plastic and has many switches on its surface. Each switch activates the function for which you use the key. As the switch age it becomes more difficult to activate these functions. You will need to exert more pressure on the switch in order to get it to work. This can further damage the switch and reduce its lifespan.

Replace the battery in your key fob. Many models of car use lithium-ion coin or button cell batteries that you can find in supermarkets, pharmacies and home improvement stores. Your key fob should be working after replacing the battery.

If the problem persists it may be that the contacts on your key fob's device have worn out. The contacts are made of rubber and coated with an electrically conducting film, which could wear away over time. They are exposed to elements as you use the key, so they're constantly being exposed to moisture and dirt. Over time, they wear down until they're no longer in contact with the circuit board or the sensor beneath the keypad.

The dealership can replace your key fob, but it can be expensive and take a long time. You can also contact a local locksmith who will repair your key fob for less.