Car Key Button Repair
The buttons on car keys are exposed to a lot, especially if they are frequently used. As time passes, they may become damaged.
There are a few quick fixes that can get your keys back in working order. These methods do not come without risk however. Making changes to batteries or tampering with your key fob can be dangerous. If you're not comfortable doing these things yourself, it's recommended to consult an auto locksmith professional.
Change the Battery
If you notice that your key fob not working as it should, it could be time to replace the battery. You can find replacement batteries at any chain drugstore nationwide or at the parts department at your local dealership for cars. Some manufacturers will even include a spare key fob battery in their packaging when you purchase your car from them.
You will first need to find out what type of battery is used in your key fob. The manufacturer should have this information on their website or on the key fob's specifications. Generally, the most common battery that is used in a key fob is a button cell type, similar to those used in remote controls and watches. These types of batteries are found at stores such as Walgreens and Energizer, and can be bought at less than $5 for a set of two.
If you are aware of the type of battery your key fob is using you can open it and take out the old battery. Most key fobs are designed with a notch or seam between them, which you can open by using your fingers, or by using a flat tool like a screwdriver. After the fob has been opened, the battery will pop right out and you can insert the new one in the same orientation that the old one. Most key fobs use CR2032 3V batteries, which are readily accessible at a variety of stores that sell AAA and AA batteries.
You can snap the two halves back together after you have inserted the new battery and test the key fob to make sure that all buttons work properly. Pressing the locks and unlock buttons on the key fob while it is pointed at your vehicle will help you determine whether or not everything is working exactly as it should. If your car doesn't respond to the keyfob, you may need to reprogram the fob and establish a wireless connection. It's a relatively easy process and only requires the use of a phone or other device to perform the procedure.
Reprogram your key fob
If your key fob won't work and you believe it's time to replace it the fact is that it might not require an entirely new battery, but rather the old one has to be reset. This procedure is different for each car. To find out how to go about it, consult your owner's manual. It's typically available in PDF format on the automaker's website. You can also search YouTube for videos.
In modern vehicles, a particular procedure is required to put the vehicle in 'programming mode'. This usually involves pressing the power button several times on the door of the driver or ignition while simultaneously pressing a button on the fob within a specific time frame. This is how the fob transmits its digital identification code to the car, which saves it in the memory. Once the fob is programmed, it can perform the same way as an ordinary key.
Reprogramming a keyfob will erase any previous keyfobs. If you want to keep the other fobs after the first, then they should be reprogrammed swiftly and carefully.
You can often find replacement batteries for a car key fob in hardware stores, big-box retailers or online. However, you need to be aware of the model and make of your vehicle prior to buying a fob battery as the right kind can be tricky to find.
A CR editor once came across an appropriate battery for the key fob she had, but it was for a different model of car. This meant that she could start her car and unlock the door, but she couldn't lower the windows.
Dealers can be extremely helpful in this situation, since they have the equipment to reprogram the fob on the specific vehicle. Some European automobiles, like those manufactured by Audi and BMW typically require a dealer to get this service because they use 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 a replacement fob as long as you knew the exact make and model of the vehicle you are driving.
Replace the Button
If you've tried changing the battery and reprogramming the key fob, but you still not being able to start your car, it may be time to replace the button on the key. The button on the car key is subject to a lot use and jolting and may be damaged or stuck over time. Each press of the button on your car key fob emits a different code that is recognised by the receiver inside the vehicle. If you attempt to operate your vehicle from a distance, it may not recognize you. It might shut the doors or turn off the engine.
You can purchase replacement buttons online or at several local hardware stores. They are relatively simple to open up and install and require just a bit 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 are equipped with the tools and knowledge to identify and fix issues with your key fob. This includes replacing batteries and changing the programming. They also have the expertise and experience to handle more complicated tasks, such as repairing broken buttons or cutting a replacement key.
One of the most common reasons for a car key switch to stop working is that the switch inside has worn out. Overuse and exposure to elements are the main causes. The switch is typically constructed from a hard plastic and has a variety of switches that key repair for car are located on the surface. Each switch is able to activate the function that you select with the key. As the switch wears out over time, it becomes more difficult to turn on each of these functions. In the end, you'll need to push harder on the switch to enable it to function. This can cause further damage to the switch, reducing its life span.
The most effective solution to this problem is to replace the battery on your car key fob. It is easy to find lithium-ion button or coin cell batteries in pharmacies, supermarkets and home improvement stores. Your key fob should function after you have replaced the battery.
If the problem persists it may be that the contacts on your key fob have been worn out. The contacts are rubber-like and coated with an electrically conducting film, which can wear out over time. They are exposed to the elements when you use the keypad which means they are constantly exposed to dirt and moisture. In time, they'll get worn down until they no longer make contact with the circuit board or sensor underneath the keypad.
The dealership can replace your key fob, but it could be costly and take a long time. The other option is to call an auto locksmith in your area, who can repair your key fob and save you money.