Car key buttons endure a lot of abuse particularly when they are used regularly. This could lead to them becoming damaged over time.
There are a few quick fixes that will allow your keys back to working. These solutions are not without risk, however. Changing batteries or tampering your key fob's security can be risky. If you're not confident doing these yourself, it's recommended that you contact a professional auto locksmith.
Change the Battery
If you are noticing that your key fob is no longer working as it should, it could be time to replace the battery. You can usually find replacement batteries at any national chain drug store or in the parts department of your automobile dealership. Some manufacturers will even include a spare 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 used in your key fob. This information is typically found on the site of the manufacturer or by checking the key fob. The most commonly used battery that is used in the key fob is a button cell type, similar to those used in remote controls and watches. These batteries are available at Walgreens, Energizer and other stores for less than $5 per pack of two.
If you are aware of the type of battery your key fob is using, you can remove it and remove the old battery. It is possible to open most key fobs using your fingers or a flat tool, such as a screwdriver, at the notch or seam where they join. Once the key fob has been opened the battery will pop out. It is then possible to replace it in the same orientation. Most key fobs use CR2032 3V batteries, which are available at many stores 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 confirm that all buttons are functioning properly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will help you determine if everything is functioning as it should be. If your car doesn't respond to the fob, you might need to reprogram the fob to establish wireless connectivity. It's an easy procedure and requires the use of your smartphone or another device to accomplish this.
Reprogram the Key Fob
If your key fob doesn't work and you think it needs to be replaced It may not require a new battery, but rather the old one needs to be reset. This process varies by car and the best option is to consult the owner's manual (usually accessible in PDF format on the website of the automaker) or search YouTube for videos that explain how to do this.
Modern automobiles require a particular procedure to put the vehicle in "programming mode," which typically involves engaging the power button on the driver's side door or ignition several times while pressing the fob's button within a specific time period. This is how the fob communicates its digital identity code to the vehicle, and it stores it in the memory. Once the fob is programmed, it can behave as a normal key.
Reprogramming a keyfob erases any previous keyfobs. Therefore, if you want to keep other fobs, they should be carefully and swiftly reprogrammed after the first one.
Sometimes you can find replacement batteries for car key fobs in hardware stores, big retailers, or even online. However, you need to be aware of the model and make of your vehicle prior to purchasing a battery for your fob because the correct type of battery can be tricky to find.
A CR editor once found an appropriate battery for the key fob she owned however it was for a different model of car. This meant that she could start her car and unlock the door, but couldn't lower the windows.
Fortunately, dealers can assist in this case and most dealers have the necessary equipment to reprogram a fob to a specific car. Some European automobiles, like the ones manufactured by Audi and BMW generally require an authorized dealer for this service due to the fact that they have specific security features that can only be reset by the manufacturer. Certain dealers, like those at Toyota and Lexus were willing to reprogramme the key fob in a replacement in the event that you could identify the exact model and brand of the car you own.
Replace car key repair service
If you have tried changing the battery and reprogramming the key fob but not being able to start your car, it could be time to replace the button on the key. The car key button gets many uses and jerking over time and can sometimes become stuck or broken. Each time you press the button on your key fob an individual code is transmitted in a sequence that the receiver in the vehicle can recognize. If you attempt to operate your vehicle from far away, it may not recognise you. It may lock the doors or shut off the engine.
You can purchase replacement buttons online or at several local hardware stores. It is simple to install them and they are very easy to open.
Contact an Auto Locksmith
If you're experiencing issues with your car key button It could be time to consult the experts. Auto locksmiths are experts in the repair of electronic keys and locks. They have the tools and know-how to determine and fix issues with your key fob. This includes replacing batteries and changing the programming. They also have the skills and experience to handle more complicated jobs, such as repairing damaged 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 it has worn out. This is due to overuse and exposure to elements. The switch is typically constructed of a tough plastic material and it has several different switches on its surface. Each switch is responsible for activating a specific function that you use the key to activate. As the switch ages 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 get it to work. This could cause further damage to the switch, reducing its longevity.
The most straightforward solution to this problem is to replace the battery inside the key fob of your car. You can easily find lithium-ion button and coin cell batteries at pharmacies, supermarkets and home improvement stores. Once you've replaced the battery, your key fob should work once more.
If the problem persists it could be that the contacts on your key fob are worn out. The contacts are made of rubber and coated with an electrically conducting film, which could wear down over time. When you use the key, they are continuously exposed to dust and moisture. They'll eventually wear down to the point that they can no longer make contact the circuit board or the sensor underneath the keypad.
You can try to have the key fob replaced by going to a vehicle dealership, but it can be costly and could take an extended time. Another option is to contact a local locksmith for your car, who will be able to fix your key fob and help you save money.
