Car Key Button Repair
Car key buttons take many abuses, especially if used frequently. This can lead to them becoming damaged over time.
There are a few quick fixes that will allow your keys back to working. However, these solutions come with the potential for dangers when changing batteries or altering the key fob. If you are not comfortable with these methods, it's recommended that you consult with an expert auto-locksmith.
Change the Battery
If you notice that your key fob is not functioning as it should, it may be time to replace the battery. You can purchase replacement batteries in any drugstore chain nationwide or in the parts department of your local dealership for cars. Some manufacturers will even include an extra key fob battery inside the packaging when you purchase your vehicle from them.
First, you'll need to find out what kind of battery is being used in your key fob. The manufacturer will likely have this information on their website or you can look it up on the key fob itself. The most popular type of battery in keyfobs is the button cell that is like the ones found in remotes and watches. These batteries are available at Walgreens, Energizer and other stores for less than $5 for a pack 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 by using your fingers or a flat tool, like a screwdriver at the seam or notch where they join. After the fob has been opened, the battery will be able to pop out and you can insert the new one in the same direction that the old one. A lot of key fobs are powered by CR2032 batteries. These batteries are sold at stores that sell AAA or AA batteries.
You can join the two halves together after inserting the new battery and test the key fob to ensure that all buttons work properly. Pressing the locks and unlock buttons on the key fob while pointing it at your vehicle will allow you to determine if everything is working in the way it should. If your vehicle is still not responding to the key fob, it may be necessary to reprogram your key fob and establish a wireless connection between the two. Luckily, this is an easy procedure and requires the use of your smartphone or another device to accomplish this.
Reprogram the Key Fob
If you're experiencing issues with your key fob and believe it needs a new one, it might 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 available in PDF format on the site of the automaker) or search YouTube for videos on how to go about this.
Most modern automobiles require a particular procedure to put the vehicle into "programming mode," which typically involves engaging the power button on the driver's side door or ignition a few times while pressing a button on the fob within a certain time frame. The fob transmits its digital identification code to the vehicle, and then saves it. The fob functions as normal keys once it is programmed.
Reprogramming a keyfob erases any previous keyfobs. If you wish to keep the other fobs following the first, then they must be reprogrammed quickly and carefully.
Sometimes, you can find replacement batteries for car key fobs in hardware stores, big retailers, or even online. However, you must be aware of the model and make of your car before buying a fob battery as the correct type of battery isn't always easy to locate.
A CR editor once came across an appropriate battery for the key fob she used, but it was for a different car. This meant that although she could start the car and open the doors, she was not in a position to lower the windows.
Dealers can be a great resource in this situation, since they have the equipment to reprogram the fob on a specific vehicle. Some European cars, such as those made by Audi and BMW generally require you to go to an authorized dealer for this service since they utilize specific security features that can only be reset by the manufacturer. Other dealers we spoke with, including those from Toyota and Lexus, were willing to reprogramme a replacement fob as they knew the exact model and make of the vehicle you are driving.
Replace the Button
If you've tried changing the battery, or reprogramming your key fob and still haven't been able to start your car it could be time to replace the button on your key. The button on the key of your car is subject to a lot of pressure and jolting and may become stuck or damaged over time. Each time you press the button on your key fob generates a unique code that is recognized by the receiver inside the vehicle. If you attempt to operate your vehicle from a distance and not using the proper code could cause it to not recognize you and shut the doors or turn off the engine.
You can purchase replacement buttons online or at numerous local hardware stores. They are relatively simple 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 may be time to contact the experts. Auto locksmiths are experts in the repair of electronic keys and locks. These experts are equipped with the tools and know-how to diagnose and fix various issues with your key fob. This includes replacing batteries and reprogramming them. They also have the skills and experience to handle more complex tasks, such as repairing broken buttons or cutting a replacement key.
The switch inside the car key button is usually worn out. Overuse and exposure to elements are the main causes. The switch is constructed of hard plastic and has several switches on its surface. car key remote repairs is able to activate the function for which you are using the key. As the switch ages it becomes harder to turn on these functions. This means that you'll need to push down harder on the switch in order to get it to work. This could further damage the switch and shorten the life span of the switch.
The most effective solution to this issue is to replace the battery inside the key fob of your car. It is easy to find lithium-ion button and coin cell batteries in supermarkets, pharmacies and home improvement stores. After replacing the battery your key fob should be working again.
If the problem persists it could be that the contacts inside your key fob have become worn out. The contacts are made of rubber and covered by an electrical conducting film that wears out. They are exposed to the elements when you use the keypad which means they are constantly exposed to moisture and dirt. They'll eventually wear out to the point that they're unable to contact the circuit board or the sensor underneath the keypad.
The dealership can replace your key fob, but it's costly and take a lot of time. Another option is to call a local car locksmith, who will be able to fix your key fob and save you money.