Car Key Button Repair
The buttons on keys for cars are exposed to a lot, especially if they are often used. In time, they could become faulty.
There are a variety of quick fixes to get your keys working again. These methods do not come completely safe, however. Changing batteries or tampering your key fob's security can be risky. If you're not confident doing these things yourself, it's recommended to contact an auto locksmith professional.
Change the Battery
It may be time to change the battery in your key fob if it no longer works as it should. You can typically purchase replacement batteries at any national chain drug store or in the parts department of your car dealership. Some manufacturers will even include a spare key fob battery in their packaging when you purchase your vehicle from them.
The first thing you'll need to do is find out which battery is 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 commonly used battery that is used in key fobs is a button cell, 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.
Once you know what kind of battery your key fob uses, you can open it and remove the old battery. It is possible to open most key fobs by using your fingers or a flat tool like a screwdriver at the seam or notch at which they join. After the key fob has been opened, the battery will come out. Then, you can replace it with the same design. Most key fobs use CR2032 3V batteries, which are available at numerous stores that sell AAA and AA batteries.
You can join the two halves together after inserting the new battery and then test the key fob to make sure that all buttons function correctly. Pressing the locks and unlock buttons on the key fob while pointing it at your vehicle will allow you to determine whether or not everything is working as it should be. If your car does not respond to the fob, you might need to reprogram the fob and establish an internet connection. Luckily, this is a relatively easy process and only requires the use of your smartphone or another device to accomplish this.
Reprogram the Key Fob
If your key fob won't function and you believe it's time to replace it the fact is that it might not require the replacement of a battery, but rather the original one must be reset. This procedure is different for each vehicle. To find out the procedure you must consult the owner's manual. It's typically available in PDF format on the website of the automaker. You can also search YouTube for videos.
The majority of modern vehicles require a specific procedure to put the vehicle into 'programming mode,' which is usually done by pressing the power button on the driver's side door or ignition a few times while pressing a button on the fob within a specified time. This is how the fob communicates its digital identification code to the vehicle, and it stores it in its memory. The fob can function as normal keys once it is programmed.
Reprogramming a fob will erase any previous keyfobs. If you wish to keep the other fobs after the first, then they should be reprogrammed swiftly and carefully.
Sometimes, you can find replacement batteries for car key fobs at hardware stores, major retailers, or even on the internet. However, you must be aware of the make and model of your car before purchasing a fob battery because the right type isn't always easy to locate.
A CR editor once came across an appropriate battery for the key fob she owned however it was for a different car. repair car key remote meant that while she could start the car and unlock the doors, she was not able to lower the windows.
Dealers can be extremely helpful in this case, as they have the equipment to reprogram the fob on the specific vehicle. Dealers are required to perform this procedure on certain European cars such as Audi and BMW due to their unique security features that can only be reset in the factory. Certain dealers, like those at Toyota and Lexus were willing to reprogramme a replacement key fob if you knew the exact model and year of your vehicle.
Replace the Button
If you've tried changing the battery, reprogramming your key fob, and you're still unable to start your car, it might be time to replace that button on the key. Your car key button receives lots of use and jerking over time and may get stuck or even broken. Every time you press the button on your key fob releases a distinct code in a sequence that is recognized by the receiver inside the vehicle. When you try to operate your car from a distance and not using the correct code could cause it to not be able to recognize you and lock the doors or shut off the engine.
You can buy replacement buttons online or at several local hardware stores. They are easy to open up and install and require only a small amount of clear plastic tape to cover the old button.
Contact an Auto Locksmith
If you're experiencing a problem with your car key it could be time to call in the experts. Auto locksmiths are experts in the repair of electronic keys and locks. They have the tools and knowledge to determine and fix issues with your key fob. This includes replacing batteries and changing their programming. They have the knowledge and skills to handle more complex jobs, like fixing a damaged key or cutting the replacement key.
The switch in the car key button is usually worn out. This is due to overuse and exposure to elements. The switch is made from an extremely hard plastic with multiple switches on its surface. Each switch is responsible for activating the specific function you are using the key for. As the switch age it becomes more difficult to activate these functions. As a result, you'll have to press harder on the switch in order to make it work. This could cause further damage to the switch, thereby decreasing its lifespan.
Replace the battery in your key fob. You can easily locate lithium-ion button or coin cell batteries in supermarkets, pharmacies and home improvement stores. Once you've replaced the battery the key fob will work once more.
If the problem persists it could be because the contacts on your key fob have been worn out. The contacts are made of rubber and are covered with an electrically conducting film that can wear out. When you use the key, they are constantly exposed to moisture and dust. They'll eventually wear down to the point that they can no longer make contact with the circuit board or sensor beneath the keypad.
The dealership can replace the key fob, but it could be costly and takes a lot of time. The other option is to call an auto locksmith in your area who will be able to repair your key fob and save you money.