Car Key Button Repair
Car key buttons undergo a lot of abuse, especially if used frequently. This can lead to them becoming damaged over time.
Fortunately, there are several quick fixes to get your keys back to working. However, these solutions come with the potential for dangers when changing batteries or altering the key fob. If you're not confident with these methods, it's best to consult an expert auto-locksmith.
Change the Battery
It may be time to replace the battery in the case that your key fob no longer works as it should. You can usually find replacement batteries from any chain drug store or the parts department at your car dealership. Some manufacturers even include a spare key fob battery in their packaging when you purchase a car from them.
It is first necessary to find out the type of battery is used in your key fob. The manufacturer may have this information on their website or you can look it up on the key fob itself. The most common type of battery in a keyfob is the button cell like the ones found in remotes and watches. These types of batteries are typically sold at places like Walgreens and Energizer and are available for purchase for under $5 for a pack of two.
If you are aware of the type of battery your key fob uses you can open it up and remove the old battery. You can open most key fobs by using your fingers or a flat tool, such as a screwdriver, at the seam or notch at which they join. After the key fob is been opened the battery will come out. It is then possible to replace it in the same orientation. Many key fobs are powered by CR2032 batteries. These batteries can be found at retailers that sell AAA or AA batteries.
You can put the two halves back together after inserting the new battery, and then test the key fob to ensure that all buttons are functioning properly. You can test if all functions are working correctly by pressing the lock and unlock buttons on the key fob while pointing it at 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 electronic connection between the two. Fortunately, this is an easy procedure and requires only the use of your phone or other device to accomplish this.
Reprogram the Key Fob
If your key fob does not work and you think it needs to be replaced It may not require a new battery, but instead the old one has to be reprogrammed. This procedure differs for each vehicle. To learn the procedure, consult your owner's manual. It's usually available in PDF format on the website of the automaker. You can also search YouTube for videos.
In most modern vehicles, a special procedure is required to put the vehicle in "programming mode". This typically involves pressing the power button multiple times on the door of the driver or ignition while simultaneously pressing a button on a fob in the time frame specified. The fob sends its digital identification code to the vehicle, which then saves it. Once the fob has been programmed, it will perform the same way as normal keys.
It is important to know that changing the programming of a key fob will wipe out any other key fobs that have been previously programmed. If you want to keep the other fobs following the first, then they must be reprogrammed quickly and carefully.
You can often find replacement batteries for your key fob for your car at hardware stores, big-box retailers, or on the internet. But, it is important to be aware of the model and make of your car before purchasing a battery for your fob because the right type isn't always easy to locate.
A CR editor discovered a battery for her key fob however, it came from a different vehicle. This meant that she could start her car and open the door, but she was unable to lower the windows.
Fortunately, the dealer can assist you in this instance, as most of them have the necessary equipment to reprogram a fob to specific cars. Some European automobiles, like those manufactured by Audi and BMW generally require you to go to an authorized dealer for this service since they utilize specific security features that can only be reset by the manufacturer. Other dealers we spoke with, including those from Toyota and Lexus, were willing to attempt reprogramming a replacement fob as they knew the exact model and make of your car.
Replace the Button
If you've tried changing the battery and programming the key fob and still cannot start your car, it may be time to replace the button on your key. Your car key button receives many uses and jolting over time and can become stuck or broken. Each time you press the button on your key fob a unique code is sent in a sequence which the receiver in the vehicle is able to recognize. If you attempt to operate your car from a distance and not using the proper code could cause it to not be able to recognize you and shut the doors or shut off the engine.
You can buy replacement buttons online or at numerous local hardware stores. It is easy to install them and they are also very simple to open.
Contact an Auto Locksmith
If you're experiencing issues with your car key button, it may be time to consult the experts. Auto locksmiths specialize in the repair of electronic car keys and their associated locks. They have the expertise and tools needed to identify and repair a variety of issues with your key fob, including replacing batteries and changing their programming. They also have the expertise and expertise to tackle more complicated jobs like fixing a broken button or even cutting a new replacement key.
The switch on the button for the car key is usually worn out. This is due to overuse and exposure to elements. The switch is usually made of a tough plastic material and it has several different switches on its surface. Each switch is able to activate the function for which you use the key. As the switch age it becomes more difficult to turn on these functions. You will need to apply more pressure to the switch in order to activate it. This could result in more damage to the switch, reducing its lifespan.
Replace the battery in your key repair car key fob fob. You can find lithium-ion button and coin cell batteries in pharmacies, supermarkets and home improvement stores. Your key fob will be working after replacing the battery.
If the problem continues, it could be because your key fob's contacts have worn out. The contacts are made of rubber, and covered by an electrical conducting film that can wear out. They are exposed to elements when you use the key, so they're constantly being exposed to moisture and dirt. In time, they'll become worn to the point that they are no longer in contact with the circuit board or sensor underneath the keypad.
You can attempt to get the key fob replaced by visiting an auto dealer, but it can be costly and could take an extended time. You can also call an expert locksmith in your area who will repair your key fob for less.