Car Key Button Repair
The buttons on keys for cars are exposed to a lot particularly if they are used frequently. This could lead to them becoming faulty over time.
There are a variety of quick solutions to get your keys back to working. These methods are not without risk, however. Altering batteries or altering your key fob's security can be dangerous. If you're not confident with these methods, it's recommended to seek advice from an expert auto-locksmith.
Change the Battery
It could be time to replace the battery in the case that your key fob doesn't function as it should. You can purchase replacement batteries at any national chain drugstore or in the parts department of your local dealership for cars. Some manufacturers offer a spare battery with the car when you purchase it.
The first thing you'll need to determine what battery your key fob is powered by. This information is typically available on the manufacturer's website or by checking the key fob. The most commonly used battery that is used in the key fob is a button cell that is similar to the ones used in watches and remote controls. These types of batteries are commonly found at stores such as Walgreens and Energizer and can be bought for under $5 for a package of two.
Once you are aware of the type of battery your key fob has then you can open it and remove the old battery. Most key fobs are designed with a seam or notch where they join together, which you can open with your fingers, or using an instrument that is flat, such as a screwdriver. After the key fob is been opened, the battery will come out. Then, you can replace it with the same orientation. The majority of key fobs are powered by CR2032 3V batteries, which are readily available at numerous retailers that sell AAA and AA batteries.
You can put the two halves back together after inserting the new battery, and then test the key fob to confirm that all buttons function correctly. You can test if everything is functioning properly by pressing the lock and unlock button on the key fob, while pointing it towards your vehicle. If your car is not responding to the key fob, it may be necessary to reprogram the key fob and re-establish an internet connection between the two. Luckily, this is a relatively easy process and requires only the use of your phone or other device to accomplish this.
Reprogram your key fob
If you're having issues with your key fob and think that it's time to get a new one, it might not be necessary to replace it. Instead the battery you have may need to be reprogrammed. This procedure varies for each vehicle so the best way to find out is to consult the owner's manual (usually available in PDF form on the website of the automaker) or search YouTube for videos explaining how to do this.
Most modern automobiles require a particular 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 multiple times while pressing the fob's button within a specific time period. The fob sends its digital identification code to the vehicle, and then will save it. Once the fob has been programmed, it will function like an ordinary key.
It's important to note that reprogramming a key fob will erase any other key fobs that have been programmed previously. If you wish to keep the other fobs after the first, then they should be reprogrammed swiftly and with care.
Sometimes, you can find replacement batteries for key fobs for cars at hardware stores, large retailers, or even online. But, it is important to be aware of the make and model of your car before buying a fob battery as the right kind can be difficult to locate.
A CR editor discovered the battery for her key fob however, it came from a different vehicle. 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. Dealers are required to perform this service on certain keys repair European vehicles like Audi and BMW because they come with specialized security features that can only be reset at the factory. Other dealers we spoke with, including those at Toyota and Lexus were willing to attempt reprogramming a replacement fob as long as you knew the exact make and model of the car you own.
Replace the Button
If you have tried changing the battery and reprogramming the key fob, but you still can't start your car it could be time to replace the button on the key. The button on the car key is subject to a lot of pressure and jostling, and it can become stuck or damaged over time. Each press of the button on your key fob releases a distinct code in a sequence that is recognized by the car's receiver. If you attempt to operate your vehicle from a distance, it may not recognise you. It may close the doors or turn off the engine.
You can buy replacement buttons online or at many local hardware stores. They are relatively simple to open and install and only require a little clear plastic tape to cover the button.
Contact an Auto Locksmith
It's time to speak with a professional if you are experiencing problems with your car's key switch. Auto locksmiths specialize in the repair of electronic car keys as well as their associated locks. They have the expertise and tools needed to identify and fix a variety of issues that may arise with your key fob including replacing batteries and changing their programming. They also have the knowledge and expertise to tackle more complex tasks such as fixing broken buttons or cutting a replacement key.
One of the main reasons for a car's key button to stop working is because the switch inside it has worn out. This is due to excessive use and exposure to the elements. The switch is typically constructed from a hard plastic material and has many different switches that are located on the surface. Each switch is responsible for activating the specific function that you use the key for. As the switch ages over time, it becomes more difficult to activate these functions. This means that you will need to press down more force on the switch in order to get it to work. This could cause further damage to the switch and decrease the life span of the switch.
The most straightforward solution to this issue is to replace the battery on the key fob of your car. You can locate lithium-ion button or coin cell batteries in pharmacies, supermarkets and home improvement stores. After replacing the battery, your key fob should work once more.
If the problem persists it could be that the contacts in your key fob are worn out. The contacts are made of rubber, and are covered with an electrical conducting film that wears out. They are exposed to elements as you use the key and are constantly exposed to moisture and dirt. They will eventually wear to the point that they're unable to contact with the circuit board, or the sensor underneath the keypad.
The dealership can replace the key fob, but it can be expensive and take a long time. Another alternative is to contact an auto locksmith in your area who will be able to repair your key fob and save you money.