Car Key Button Repair

The buttons on car keys are subject to a lot of pressure, especially if they are frequently used. This can result in them becoming faulty over time.

There are a variety of quick fixes to make your keys work again. These methods do not come without risk, however. Altering batteries or altering your key fob's security can be dangerous. If you're not comfortable with these methods, it's best to consult an expert auto-locksmith.

Change the Battery

It may be time to replace the battery in your key fob if it no longer works as it should. You can find replacement batteries at any chain drugstore nationwide or at the parts department at your local car dealership. Some manufacturers will even include an extra key fob battery in their packaging when you purchase your vehicle from them.

You will first need to find out what kind of battery is being used in your key fob. The manufacturer should have this information on their website, or you can check the key fob's specifications. Generally, the most common battery used in a key fob is a button cell similar to the ones used in watches and remote controls. These kinds of batteries are available at stores like Walgreens and Energizer, and are available for purchase for less than $5 for a set of two.

You can take the old battery off your key fob when you know which type of battery it has. You can open most key fobs using your fingers or a flat tool like a screwdriver, at the notch or seam where they connect. After the key fob is been opened the battery will pop out. Then, you can replace it with the same design. The majority of key fobs are powered by CR2032 3V batteries, which are easily accessible at a variety of 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 function correctly. You can test if all functions are working correctly by pressing the lock and unlock button on the key fob, while pointing it toward your vehicle. If your vehicle still does not respond to the key fob, you may have to reset the fob to establish a wireless connection. This is a fairly simple process that only requires a phone or other device.

Reprogram the Key Fob

If you're having trouble with your key fob and think it's time to replace it It may not be necessary to replace it. Instead the old battery might require reprogramming. This procedure is different for every car and the best option is to refer to the owner's manual (usually accessible in PDF format on the automaker's website) or search YouTube for videos that explain how to go about this.

In the majority of modern vehicles, a specific procedure is required to put the vehicle in 'programming mode'. This typically involves pressing the power button multiple 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 car, which saves it in memory. Once the fob has been programmed, it will behave as an ordinary key.

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

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

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

Dealers can be a great resource in this case, as they have the equipment necessary to reprogram the fob on the specific vehicle. Dealers are required to carry out this service on some European cars such as Audi and BMW because they come with specialized security features that can only be reset by the manufacturer. Other dealers we spoke with, including those at Toyota and Lexus were willing to reprogramme an original fob so they knew the exact make and model of your car.

Replace the Button

If you've tried changing the battery, reprogramming your key fob, but you're still unable to start your car, it's time to replace the button on your key. The button on the key of your car is subject to a lot of use and jostling, and it can be damaged or stuck over time. Each time you press the button on your key fob an individual code is sent in a sequence which the vehicle's receiver is able to recognize. If you attempt to operate your vehicle from a distance, it may not recognize you. It may lock the doors or shut off the engine.

You can buy replacement buttons online or at numerous local hardware stores. It is simple to install buttons and near by they are very simple to open.

Contact an Auto Locksmith

It may be 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. They have the experience and tools required to recognize and fix a range of issues with your key fob, including replacing batteries and changing their programming. They also have the expertise and experience to handle more complex tasks such as fixing damaged buttons or 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. 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 particular function you are using the key to activate. As the switch ages, it becomes more difficult to activate these functions. You will need to apply more pressure to the switch to activate it. This can result in more damage to the switch, further decreasing its lifespan.

Replace the battery in your key fob. The majority of cars have lithium-ion coin or button cell batteries, which you can easily 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 may be that the contacts on your key fob have worn out. The contacts are made of rubber and covered by an electrically conducting film that wears out. They are exposed to the elements when you use the keypad and are constantly exposed to moisture and dirt. They will eventually wear to the point where they are unable to contact with the circuit board or sensor beneath the keypad.

The dealership can replace the key fob, however it could be costly and take a lot of time. Another alternative is to contact a local locksmith for your car, who will be able to repair your key fob and save you money.