The buttons on keys for cars are exposed to a lot and are especially vulnerable if used frequently. This can result in them becoming faulty over time.
There are a few simple solutions that will get your keys working again. These methods do not come without risk however. Altering batteries or altering your key fob can be dangerous. If you’re not comfortable performing these yourself, it’s recommended to consult an expert auto locksmith.
Change the Battery
If you’re noticing that your key fob no longer working as it should, it could be time to replace the battery. You can typically purchase replacement batteries from any chain drug store or in the parts department of your car dealership. Some manufacturers even include an extra key fob battery in the packaging when you purchase your car from them.
The first thing you will have to do is find out what kind of battery your key fob uses. This information is typically available on the manufacturer’s website or by looking at the key fob. The most common type of battery found in the keyfob is the button cell like the ones found in remotes and watches. These types of batteries are available at stores like Walgreens and Energizer and are available for less than $5 for a set of two.
Once you know what kind of battery your key fob has, you can open it up and remove the old battery. The majority of key fobs are made with a seam or notch between them and can be opened by using your fingers, or by using the flat side of a screwdriver. Once the key fob has been opened, the battery will come out. It is then possible to replace it with the same design. Most key fobs use CR2032 3V batteries, which are easily accessible at a variety of stores that sell AAA and AA batteries.
You can put the two halves back together after you have inserted the new battery and test the key fob to confirm that all buttons work correctly. Pressing the locks and unlock buttons on the key fob while pointing it towards your vehicle will help you determine if everything is functioning in the way it should. If your car doesn’t respond to the keyfob, you may have to reset the fob and establish wireless connectivity. It’s an easy procedure and requires the use of your phone or other device to do so.
Reprogram your key fob
If your key fob does not work and you think it’s time to replace it the fact is that it might not require an entirely new battery, but rather the old one has to be changed. This procedure differs for each car. To find out how to go about it go through the owner’s manual. It’s usually available in PDF format on the website of the automaker. You can also search YouTube for videos.
In the majority of modern vehicles, a special procedure is required to put the vehicle into ‘programming mode’. This usually involves pressing the power button several times on the driver’s door or ignition while simultaneously pressing the button on the fob within a specific time frame. This is how the fob communicates its digital identity code to the car, which saves it in its memory. Once the fob is programmed, it will function like normal keys.
It’s important to note that the process of reprogramming a key fob can erase any other key fobs which have been previously programmed. If you wish to keep the other fobs after the first, then they should be programmed quickly and carefully.
You can sometimes find replacement batteries for a key fob for your car at hardware stores, big-box retailers, or online. However, you need to 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 found an battery for her key fob, however, it came from an entirely different vehicle. This meant she could start her car and unlock the door, but she couldn’t lower the windows.
Dealers can be extremely helpful in this regard, since they have the tools to reprogram the fob for the specific vehicle. Some European cars, such as those made by Audi and BMW typically require a dealer to get this service since they utilize specialized security features that can only be reset by the manufacturer. Some dealers, such as those at Toyota and Lexus were willing to reprogramme an alternative key fob provided you knew the exact model and year of the car you own.
Replace the Button
If you’ve tried changing the battery, reprogramming your key fob, and you’re still unable to start your car, it’s time to replace that button on your key. The key on your car receives lots of use and jostling over the years and may get stuck or damaged. Every time you press the button on your key fob, a unique code is transmitted in a pattern that the receiver inside the vehicle can recognize. If you attempt to operate your vehicle from a distance without using the correct code could cause it to not recognize you and then lock the doors or turn off the engine.
You can buy replacement buttons online or at several local hardware stores. They are easy to open and install and require only a small amount of clear plastic tape to cover the old button.
Contact an Auto Locksmith
If you’re having trouble with your car key, it may be time to consult the experts. Auto locksmiths are experts in the repair of electronic keys and locks. These experts are equipped with the tools and know-how to diagnose and fix various issues with your key fob. This includes replacing batteries and changing their programming. They also have the skills and expertise to tackle more complicated tasks such as fixing a broken button or even cutting a replacement key.
The switch in the button for the car key repair shop is typically worn out. Excessive use and exposure to elements are the main causes. The switch is made from hard plastic and has multiple switches on its surface. Each of these switches is responsible for activating the specific function you are using the key for. As the switch wears out over time, it becomes more difficult to activate these functions. In the end, you’ll need to push harder on the switch in order to get it to work. This can cause more damage to the switch, thereby decreasing its longevity.
The easiest way to solve this issue is to replace the battery inside your car key fob key repair. It is easy to locate lithium-ion button or coin cell batteries in supermarkets, pharmacies and home improvement stores. After replacing the battery, your key fob should work again.
If the problem persists, it could be that the contacts in your key fob are worn out. The contacts are made of rubber and coated with an electric conducting film that can wear down over time. When you use the key, they are exposed to dust and moisture. In time, they’ll wear down until they are no longer in contact with the circuit board or the sensor beneath the keypad.
You can try to have the key repair shop fob replaced by going to an auto dealer, but it can be costly and could take an extended time. Another alternative is to contact an auto locksmith in your area, who can repair car keys near me your key fob and save you money.