Car Key Button Repair
Car key buttons endure many abuses, especially if used frequently. This could lead to them becoming faulty over time.
Fortunately, there are several quick solutions to get your keys working again. These methods are not without risk, however. Making changes to batteries or tampering with the key fob could be risky. If you are not comfortable with these methods, it is recommended that you consult with an expert auto-locksmith.
Change the Battery
If you're noticing that your key fob not functioning as it should, it might be time to replace the battery. You can find replacement batteries in any national chain drugstore or at the parts department at your local car dealership. Some manufacturers even include a spare key fob battery in their packaging when you purchase your car from them.
The first thing you'll have to do is find out what kind of battery your key fob is powered by. This information is typically available on the site of the manufacturer or by examining the key fob. Generally, the most common battery that is used in key fobs is a button cell type, similar to those used in remote controls and watches. These batteries are available at Walgreens, Energizer and other stores for less than $5 for a pack of two.
Once you are aware of the type of battery your key fob is using you can open it and take out the old battery. It is possible to open most key fobs using your fingers or a flat tool such as a screwdriver, at the notch or seam where they join. After the fob has been opened, the battery will be able to pop out and you can insert the new one in the same orientation as the previous one. Most key fobs use CR2032 3V batteries, which are readily accessible at a variety of retailers that sell AAA and AA batteries.
Once the new battery is inserted, you can take the two halves of the key fob back together and test it to make sure that all buttons function properly. Pressing the lock and unlock buttons on the key fob while it is pointed at your vehicle will help you determine whether or not everything is working in the way it should. If your car does not respond to the key fob, you may have to reset the fob and establish an internet connection. Luckily, this is an easy procedure and requires only the use of a phone or other device to accomplish this.
Reprogram your key fob
If you're having trouble with your key fob, and you think it's time to replace it It may not be required to replace it. Instead, the old battery may require reprogramming. This process is different for each car. To find out how to go about it, consult your owner's manual. It's usually available in PDF format on the automaker's website. You can also search YouTube for videos.
Modern vehicles require a special procedure to put the vehicle into "programming mode," which usually involves pressing the power button on the driver's side door or ignition a few times while pressing a button on the fob within a specific time period. The fob transmits its unique digital identification code to the vehicle, which stores it. The fob will work like an ordinary key once it has been programmed.
It is important to know that the process of reprogramming a key fob can wipe out any other key fobs that had been programmed previously. If you want to keep the other fobs after the first, they should be programmed quickly and carefully.
You can often find replacement batteries for your key fob for your car at hardware stores, big-box retailers, or even online. You must know your car's model and make before you purchase a fob because it isn't easy to locate the right battery.
A CR editor found a battery that fit the key fob she used however, it was for a different vehicle. This meant she could start her car and open the door, but couldn't lower the windows.
Dealers can be a great resource in this case, as they have the equipment to reprogram the fob for the specific vehicle. Some European vehicles, such as those made by Audi and BMW generally require a dealer to get this service due to the fact that they have special security features that can only be reset by the manufacturer. Some dealers, like those at Toyota and Lexus were willing to reprogram an alternative key fob if you knew the exact model and year of the car you own.
Replace the Button
If you've tried changing the battery or reprogramming the key fob but can't start your car it could be time to replace the button on your key. The button on your car key is subjected to a lot of pressure and jostling and can be damaged or stuck over time. When you press the button on your key fob the unique code is transmitted in a pattern that the receiver inside the vehicle can recognize. If you try to operate your vehicle from some distance, it might not recognize you. It might shut the doors or turn off the engine.
You can purchase replacement buttons online or at many local hardware stores. They are easy to open up and install and require only a small amount of clear plastic tape to cover the button.
Contact an Auto Locksmith
If you're experiencing a problem with your car key button, it may be time to call in the experts. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. They have the experience and tools necessary to diagnose and fix a range of issues with your key fob, including replacing batteries and reprogramming them. They are equipped with the knowledge and skills to handle more complicated tasks, such as fixing a damaged key or cutting the replacement key.
One of the most common reasons for a car key button to stop working is that the switch inside it has worn out. The use of the switch and exposure to elements are the primary reasons. car key fob repairs is made from a hard plastic and has multiple switches on its surface. Each switch is responsible for activating a specific function you are using the key for. As the switch wears out over time, it becomes harder to activate these functions. You will need to exert more pressure on the switch to activate it. This could result in more damage to the switch, further decreasing its longevity.
The most straightforward solution to this problem is to replace the battery inside the key fob of your car. Many models of car use lithium-ion coin or button batteries, which you can easily buy at supermarkets, pharmacies and home improvement stores. After you've replaced the battery the key fob will work again.
If the problem persists it could be because the contacts on your key fob have worn out. The contacts are rubber-like and coated with an electric conducting film that can wear away over time. When you use the key, they are exposed to moisture and dust. They'll eventually wear out to the point where they're unable to contact the circuit board or sensor beneath the keypad.
The dealer can replace the key fob, but it's costly and take a long time. Another option is to contact an auto locksmith in your area who will be able to fix your key fob and help you save money.