The buttons on the car keys are subjected to a lot and are especially vulnerable if used frequently. This can lead to them becoming damaged over time.
There are a few simple fixes that will allow your keys back to working. These methods do not come without risk however. Making changes to batteries or tampering with the key fob could be risky. If you’re not comfortable doing these things yourself, it’s recommended that you contact an auto locksmith professional.
Change the Battery
If you notice that your key fob no longer working as it should, it may be time to replace the battery. You can usually buy replacement batteries from any chain drug store or the parts department of your automobile dealership. Some manufacturers will include an extra battery with your vehicle when you purchase it.
You will first need to find out the type of battery is used in your key fob. The manufacturer will likely have this information on their website, or you can check the actual key fob. The most commonly used battery used in a key fob is a button cell, similar to those used in watches and remote controls. These batteries are available at Walgreens, Energizer and other stores for less than $5 per pack of two.
You can take the old battery off your key fob once you know the type of battery it has. It is possible to open most key fobs using your fingers or a flat tool, like a screwdriver at the notch or seam where they connect. Once the key fob has been opened the battery will be released. Then, you can replace it in the same orientation. The majority of key fobs utilize CR2032 3V batteries, which are readily accessible at a variety of stores that sell AAA and AA batteries.
You can put the two halves back together after inserting the new battery and then test the key repair service fob to ensure that all buttons function properly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will help you determine whether or not everything is working as it should be. If your vehicle is still not responding to the key fob, it might be required to reprogram the key fob to establish an internet connection between the two. It’s a relatively easy process and only requires the use of your smartphone or another device to accomplish this.
Reprogram your key fob
If your key fob doesn’t work and you think it’s time to replace it the fact is that it might not require the replacement of a battery, but instead the old one needs to be reprogrammed. This process is different for each vehicle. To find out how to do it go through the owner’s manual. It’s typically available in PDF format on the automaker’s website. You can also search YouTube for videos.
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 multiple times while pressing a button on the fob within a certain time frame. This is how the fob sends its digital identification code to the vehicle, and it stores it in its memory. Once the fob has been programmed, it can perform the same way as normal keys.
It’s important to note that the process of reprogramming a key fob can erase any other key fobs which have been programmed previously. 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 know the make and model of your vehicle prior to buying a fob battery as the right type can be difficult to locate.
A CR editor once came across a battery that was compatible with the key fob she owned however, it was for a different vehicle. This meant that although she could start the car and unlock the doors, she was not capable of lowering the windows.
Fortunately, dealers can assist in this case and most dealers have the equipment needed to reprogram a fob for specific cars. Certain European cars, such as those manufactured by Audi and BMW generally require an authorized dealer for this service since they utilize specialized security features that can only be reset by the manufacturer. Other dealers we spoke to like those at Toyota and Lexus were willing to reprogramme the fob in a replacement as provided you know the exact model and make of the vehicle you are driving.
Replace the Button
If you’ve tried changing the battery, reprogramming your key fob and still haven’t been able to start your car it’s time to replace the button on the key. The car key button gets lots of use and jerking over time and may get stuck or even broken. Each press of the button on your key fob emits a different code in a sequence that is recognized by the car’s receiver. When you try to operate your vehicle from a distance without using the proper code could cause it to not recognize you and then lock the doors or shut off the engine.
You can buy replacement buttons online or at several local hardware stores. It is simple to install them and they are also extremely simple to open.
Contact an Auto Locksmith
It may be time to speak with a professional when you’re having issues with the key button on your car key remote repair. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. These experts are equipped with the tools and expertise to identify and fix issues with your key fob. This includes replacing batteries and changing the programming. They have the knowledge and expertise to tackle more complicated tasks, such as repairing a broken key or cutting an alternative key fob repairs.
One of the main reasons for a car key switch to stop working is because the switch inside has worn out. This is due to excessive use and exposure to the elements. The switch is usually made of a tough plastic material and has many different switches on its surface. Each switch is able to activate the function for which you are using the key. As the switch gets older over time, it becomes more difficult to activate each of these functions. As a result, you’ll need to push down harder on the switch to get it to work. This could further damage the switch and decrease the life span of the switch.
Replace the battery in your key fob. You can locate lithium-ion button or coin cell batteries at pharmacies, supermarkets and home improvement stores. Your key fob will work once you have replaced the battery.
If the problem continues, it may be that your key fob’s contacts have been worn out. The contacts are made of rubber and covered with an electrically conducting film that wears out. They are exposed to elements as you use the key which means they are constantly exposed to moisture and dirt. They will eventually wear to the point that they are unable to contact the circuit board or the sensor under the keypad.
You can try to have the key fob replaced by visiting an auto dealer, but this could be expensive and may take quite a while. You can also contact a local locksmith who will repair your key fob for a lower price.