The buttons on the car keys are exposed to a lot, especially if they are used frequently. Over time, they can be damaged.
There are many quick fixes to make your keys work again. These solutions are not completely safe however. Making changes to batteries or tampering with the key fob could be risky. If you're not comfortable performing these yourself, it is recommended that you contact an expert auto locksmith.
Change the Battery
It's possible to replace the battery in the case that your key fob doesn't function as it should. You can buy replacement batteries at any drugstore chain nationwide or in the parts department of your local car dealership. Some manufacturers will even include a spare key fob battery inside the packaging when you purchase your car from them.
The first thing you will have to do is determine what battery your key fob is powered by. This information is typically found on the manufacturer's website or by examining the key fob. The most popular kind of battery that is found in a keyfob is the button cell that is similar to the ones used in remotes 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 open it up and remove the old battery. You can 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 is been opened, the battery will be released. You can then replace it with the same orientation. The majority of key fobs utilize CR2032 3V batteries, which are readily available at many retailers that sell AAA and AA batteries.
Once the new battery is in place after which you can take the two pieces of the key fob back together and check that all buttons are functioning correctly. You can determine if all functions are working correctly by pressing the lock and unlock buttons on the key fob while pointing it toward your vehicle. If your vehicle still does not respond to the keyfob, you may require reprogramming the fob to establish an internet connection. This is a simple process that only requires your phone or a different device.
Reprogram the Key Fob
If your key fob doesn't function and you believe it needs to be replaced, it may not need a new battery, but instead the old one needs to be changed. This process varies by car, so your best bet is to read the owner's manual (usually available in PDF format on the website of the automaker) or look on YouTube for videos that explain how to do this.
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 the fob's button within a specified time. The fob transmits its unique digital identification code to the vehicle, and then will save it. The fob functions as an ordinary key once it has been programmed.
Reprogramming a keyfob erases any previous keyfobs. Therefore, if you'd like to keep other fobs, they need to be reprogrammed with care and speed following the initial one.
Sometimes, you can find replacement batteries for car key fobs in hardware stores, big retailers, or even online. However, you must be aware of the make and model of your car before purchasing a battery for your fob because the right type isn't always easy to locate.
A CR editor once found an appropriate battery for the key fob she used however it was for a different vehicle. This meant that although she was able to start the car and unlock the doors, she wasn't in a position to lower the windows.
Dealers can be a great resource in this regard, since they have the equipment to reprogram the fob for a specific vehicle. Dealers are required to perform this procedure on certain European vehicles like Audi and BMW because they have specialized security features which can only be reset by the manufacturer. Some dealers, like those at Toyota and Lexus were willing to reprogram the key fob in a replacement in the event that you could identify the exact model and make of your car.
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 that button on the key. The key on your car receives a lot of use and jolting over time and can sometimes become stuck or broken. Every time you press the button on your key fob emits a different code in a sequence that is recognized by the receiver inside the vehicle. If you attempt to operate your vehicle from a distance without using the correct code can cause it to not recognize you and lock the doors or shut off the engine.
You can purchase replacement buttons online or at numerous 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 experiencing issues with your car key It could be time to contact the experts. car keys repair are experts in the repair of electronic keys and locks. These specialists have the knowledge and tools required to recognize and repair a variety of issues with your key fob, including replacing batteries and changing their programming. They have the knowledge and skills to handle more complex jobs, like repairing a broken key or cutting a replacement key.
The switch in the car key button is often worn out. This is due to overuse and exposure to the elements. The switch is made of an extremely hard plastic with many switches on its surface. Each switch is responsible for activating the specific function you are using the key to activate. As the switch gets older it becomes harder to turn on these functions. This means that you'll need to push harder on the switch in order to enable it to function. This could cause further damage to the switch and shorten its lifespan.
The easiest way to solve this issue is to replace the battery in your car key fob. You can find lithium-ion button or coin cell batteries at pharmacies, supermarkets and home improvement stores. Your key fob should now work once you have replaced the battery.
If the issue persists it could be because the contacts inside the key fob have worn out. The contacts are made of rubber and coated with an electricity conducting film, which could wear out over time. They are exposed to elements when you use the key and are constantly exposed to moisture and dirt. They'll eventually wear down to the point where they are unable to contact with the circuit board, or the sensor underneath the keypad.
The dealership can replace the key fob, however it's costly and take a lot of time. The other option is to contact a local car locksmith who can fix your key fob and help you save money.
