Car Key Button Repair

Car key buttons undergo lots of abuse, especially if used frequently. Over time, they can become faulty.

There are a few simple fixes that can get your keys back in working order. However, these methods have risks when it comes to changing batteries or tampering with your key fob. If you're not comfortable doing these yourself, it's recommended to contact an auto locksmith professional.

Change the Battery

It may be time to change the battery in the case that your key fob isn't working as it should. You can purchase replacement batteries at any national chain drugstore or in the parts department at your local car dealership. Some manufacturers include an extra battery with the car when you purchase it.

It is first necessary to determine the kind of battery is being used in your key fob. This information is typically found on the website of the manufacturer or by looking at the key fob. Generally speaking, the most popular battery that is used in a key fob is a button cell type similar to the ones used in remote controls and watches. These types of batteries are commonly found at stores such as Walgreens and Energizer and are available for purchase at less than $5 for a package of two.

If you are aware of the type of battery your key fob has, you can remove it and take out the old battery. Most key fobs are constructed with a notch or seam where they join together which you can either open by using your fingers, or by using a flat tool like a screwdriver. After the key fob has been opened the battery will come out. It is then possible to replace it with the same design. The majority of key fobs utilize CR2032 3V batteries, which are easily accessible at a variety of stores that sell AAA and AA batteries.

You can join the two halves together after inserting the new battery and test the key fob to ensure that all buttons function properly. You can determine if everything is functioning properly by pressing the lock and unlock buttons on the key fob, while pointing it towards your vehicle. If your vehicle still doesn't respond to the key fob, you may have to reset the fob and establish a wireless connection. This is a easy process that requires your phone or another 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 the replacement of a battery, but rather the old one needs to be reprogrammed. This process varies by car, so your best bet is to refer to the owner's manual (usually available in PDF form on the automaker's website) or look on YouTube for videos that explain how to do this.

In the majority of modern vehicles, a special 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 a fob in a specific time frame. The fob transmits its digital identification code to the vehicle, which will save it. Once the fob is programmed, it will behave as an ordinary key.

It is important to remember that the process of reprogramming a key fob can wipe out any other key fobs which have been programmed previously. Therefore, if you wish to keep other fobs, they must be carefully and swiftly reprogrammed following the initial one.

You can often find replacement batteries for a car key fob in hardware stores, big-box retailers or on the internet. However, you need to be aware of the make and model of your car prior to purchasing a fob battery because the right type can be difficult to locate.

A CR editor stumbled across a battery for her key fob, however, it was from a different vehicle. This meant she could start her car and unlock the door, but couldn't lower the windows.

Luckily, dealers can help in this situation, as most of them have the equipment needed to reprogram a fob key repair to a specific car. Dealers are required to perform this service on some European cars such as Audi and BMW due to their unique security features that can only be reset by the manufacturer. Some dealers, like those at Toyota and Lexus were willing to reprogram the key fob in a replacement if you knew the exact model and remote brand of your vehicle.

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 that button on the key. The button on your car key is subjected to a lot use and jostling, and it can be damaged or stuck over time. Each time you press the button on your key fob emits a different code that is recognised by the receiver inside the vehicle. If you try to operate your vehicle from far away, it may not recognise you. It may shut the doors or turn off the engine.

You can purchase replacement buttons online or in several local hardware stores. It is simple to install buttons and they are very simple to open.

Contact an Auto Locksmith

If you're having trouble with your car key it could be time to consult the experts. Auto locksmiths specialise in the repair of electronic car keys as well as their associated locks. They are equipped with the tools and knowledge to diagnose and fix various issues with your key fob. This includes replacing batteries and changing the programming. They also have the expertise and experience to handle more complicated jobs such as fixing damaged buttons or cutting a new replacement key.

One of the main reasons for a car key button to stop working is that the switch inside has 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 activates the function that you select with the key. As the switch wears out over time, it becomes harder to activate these functions. You will have to exert more pressure on the switch in order to activate it. This can result in more damage to the switch, further decreasing its longevity.

Replace the battery in your key fob. A lot of models of cars use lithium-ion coin or button batteries, which you can easily buy at supermarkets, pharmacies, and home improvement stores. Your key fob will work once you have replaced the battery.

If the problem continues, it may be that the contacts on your key fob's device have been worn out. The contacts are made of rubber, and covered by an electrical conducting film that wears out. They are exposed to elements while you use the keypad which means they are constantly exposed to moisture and dirt. They'll eventually wear down to the point where they are unable to contact with the circuit board or the sensor under the keypad.

You can attempt to get the key fob replaced by going to an auto dealer, but this could be expensive and can take a long time. You can also contact an expert locksmith in your area who can repair your key fob at less.