Car Key Button Repair
Car key buttons endure many abuses, especially if used frequently. This can lead to them becoming faulty over time.
There are a few simple solutions that will get your keys back to working. However, these methods have risks associated with changing batteries or altering your key fob. If you're not comfortable performing these yourself, it's recommended to consult an expert auto locksmith.
Change the Battery
It may be time to replace the battery in the case that your key fob no longer works as it should. You can buy replacement batteries at any national chain drugstore or in the parts department of your local dealership for cars. Some manufacturers even include a spare key fob battery in their packaging when you purchase a car from them.

broken car key repair will need to find out what kind of battery your key fob uses. The manufacturer may have this information on their website or you can look it up on the key fob itself. Generally, the most common battery that is used in key fobs is a button cell type, similar to those used in watches and remote controls. These kinds of batteries are commonly available at stores like Walgreens and Energizer, and are available for less than $5 for a set of two.
You can take the old battery off your key fob after you know the type of battery it uses. 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 an instrument that is flat, such as a screwdriver. After the key fob is been opened, the battery will pop out. You can then replace it with the same design. Most key fobs use CR2032 3V batteries, which are accessible at a variety of retailers that sell AAA and AA batteries.
You can put the two halves back together after you have inserted the new battery, and then test the key fob to confirm that all buttons are functioning correctly. You can test if everything is working properly by pressing the lock and unlock button on the key fob, while pointing it toward your vehicle. If your vehicle is not responding to the key fob, it could be required to reprogram the key fob and establish a wireless connection between the two. This is a fairly simple process that only requires your phone or another device.
Reprogram the Key Fob
If you're having issues with your key fob and think it needs a new one It may not be necessary to replace it. Instead, the old battery may require reprogramming. This process is different for each car. To learn how to do it, consult your owner's manual. It's typically available in PDF format on the automaker website. You can also search YouTube for videos.
Modern vehicles require a special procedure to put the vehicle in "programming mode," which typically involves engaging the power button on the driver's side door or ignition multiple times while pressing the fob's button within a specific time period. This is how the fob transmits its digital identity code to the car, which saves it in the memory. The fob functions as a regular key after it is programmed.
It's important to note that the process of reprogramming a key fob can wipe out any other key fobs that had been previously programmed. Therefore, if you want to keep other fobs, they must be carefully and quickly reprogrammed after the first one.
There are a few replacement batteries for a car key fob at hardware stores, big-box retailers or online. You will need to be aware of your car's model and make before you purchase a fob because it may be difficult to find the right battery.
A CR editor found an 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 couldn't lower the windows.
Dealers can be of great assistance in this case, as they have the equipment to reprogram the fob on the specific vehicle. Certain European cars, such as the ones manufactured by Audi and BMW, will usually require a dealer for this service because they use specific security features that can only be reset by the manufacturer. Certain dealers, like those at Toyota and Lexus were willing to reprogramme 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 or reprogramming the key fob, but you still can't start your car it might be time to replace the button on the key. The car key button gets lots of use and jolting over time and can get stuck or even broken. Every time you press the button on your key fob, an individual code is sent out in a pattern that the vehicle's receiver is able to recognize. Trying to operate your vehicle from a distance without using the proper code could cause it to not recognize you and lock the doors or shut off the engine.
You can purchase replacement buttons online or at many local hardware stores. They are easy to install and open and require only a small amount of clear plastic tape to cover the old button.
Contact an Auto Locksmith
If you're having trouble with your car key it could be time to contact the experts. Auto locksmiths are experts in the repair of electronic keys and locks. These experts have the tools and knowledge to identify and fix issues with your key fob. This includes replacing batteries and reprogramming them. They also have the knowledge and expertise to tackle more complicated jobs like fixing broken buttons or cutting a new replacement key.
One of the most common reasons for a car key switch to stop working is because the switch inside has worn out. Excessive use and exposure to elements are the primary reasons. The switch is constructed of an extremely hard plastic with many switches on its surface. Each switch is responsible for activating the particular function that you use the key to activate. As the switch gets older it becomes harder to activate these functions. As a result, you'll have to press down more force on the switch in order to enable it to function. This can cause further damage to the switch, decreasing its life span.
Replace the battery in your key fob. A lot of models of cars use lithium-ion coin or button batteries that you can buy at supermarkets, pharmacies and home improvement stores. After replacing the battery your key fob should be working again.
If the problem continues, it could be because the contacts on your key fob's device have been worn out. The contacts are made of rubber and coated with an electrically conducting film, which can wear out over time. As you use the key they are continuously exposed to moisture and dust. They'll eventually wear out to the point that they are unable to contact with the circuit board, or the sensor under the keypad.
The dealership can replace your key fob, however it can be expensive and takes a lot of time. You can also call an emergency locksmith who will fix your key fob at a lower price.