Car Key Button Repair
Car key buttons take a lot of abuse particularly if they are used frequently. In time, they could become damaged.
There are a few quick fixes that can get your keys back to working. However, these methods have the potential for dangers when changing batteries or tampering with the key fob. If you are not comfortable with these methods, it's recommended to seek advice from an expert auto-locksmith.
Change the Battery
If you're noticing that your key fob no longer working as it should, it may be time to replace the battery. You can find replacement batteries in any national chain drugstore or in the parts department at your local dealership for cars. Some manufacturers will even include a spare key fob battery inside the packaging when you purchase a car from them.
The first thing you will have to do is determine what battery your key fob uses. The manufacturer should have this information on their website or you can look it up on the key fob's specifications. Generally, the most common battery used in the key fob is a button cell type that is similar to the ones used in watches and remote controls. These types of batteries are typically found at stores such as Walgreens and Energizer, and can be bought at less than $5 for a set of two.
You can take the old battery off your key fob after you know what kind of battery it is using. It is possible to open most key fobs by using your fingers or a flat tool such as a screwdriver, at the seam or notch where they connect. Once the fob is opened, the battery should pop right out and you can then put in the new one in the same orientation as the previous one. A lot of key fobs are powered by CR2032 batteries. These batteries are available at stores that sell AAA or AA batteries.
You can join the two halves together after inserting the new battery, and then test the key fob to confirm that all buttons work properly. Pressing the lock and unlock buttons on the key fob while pointing it at your vehicle will allow you to determine whether or not everything is functioning as it should be. If your vehicle still doesn't respond to the key fob, you may have to reset the fob and establish a wireless connection. This is a fairly simple process that only requires your phone or another device.
Reprogram the Key Fob
If you're experiencing issues with your key fob and think it needs a new one It may not be necessary to replace it. Instead the battery you have may require reprogramming. This procedure varies for each vehicle and the best option is to consult the owner's manual (usually available in PDF format on the site of the automaker) or search YouTube for videos that explain how to do this.
In modern vehicles, a particular procedure is required to put the vehicle in 'programming mode'. This typically involves pressing the power button several times on the door of the driver or ignition, while simultaneously pressing a button on the fob within the time frame specified. This is how the fob communicates its digital identification code to the vehicle, and it stores it in the memory. Once the fob has been programmed, it can function like an ordinary key.
It's important to note that reprogramming a key fob will 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 with care.
You can sometimes find replacement batteries for a key fob for your car at hardware stores, big-box retailers or online. However, you must know the make and model of your car prior to purchasing a fob battery because the correct type of battery 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 she could start her car and open the door, but she couldn't lower the windows.
Dealers can be a great resource in this situation, since they have the equipment to reprogram the fob for the specific vehicle. Certain European cars, such as those manufactured by Audi and BMW typically 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 the key fob in a replacement provided you knew the exact model and brand of your vehicle.
Replace the Button
If you've tried changing the battery, or reprogramming your key fob and still can't start your car it's time to replace that button on your key. The key on your car receives many uses and jerking over time and can get stuck or even broken. Every time you press the button on your key fob generates a unique code in a sequence that is recognized by the receiver inside the vehicle. If you try to operate your vehicle from far away, it may not recognise you. It might shut the doors or turn off the engine.
You can purchase replacement buttons online or at several local hardware stores. It is easy to install buttons and they are very easy to open.
Contact an Auto Locksmith
If you're experiencing a problem with your car key it could be time to consult the experts. Auto locksmiths specialize in the repair of electronic car keys as well as their associated locks. They have the expertise and tools necessary to diagnose and fix a variety of issues that may arise with your key fob including replacing batteries and reprogramming them. They also have the expertise and experience to handle more complicated tasks, such as repairing a broken button or even cutting a replacement key.
The switch on the button for the car key is often worn out. Overuse and exposure to elements are the primary causes. The switch is constructed of hard plastic and has several switches on its surface. Each of these switches is responsible for activating the particular function that you use the key to activate. As the switch gets older over time, it becomes harder to activate each of these functions. As a result, you'll need to push harder on the switch in order to get it to work. This could cause further damage to the switch and shorten the life span of the switch.
Replace the battery in your key fob. You can find lithium-ion button and coin cell batteries at supermarkets, pharmacies and home improvement stores. After you've replaced the battery your key fob should work once more.
If the problem persists, it could be that the contacts on your key fob are worn out. The contacts are made of rubber and are covered with an electrically conducting film that wears out. They are exposed to elements when you use the key which means they are constantly exposed to moisture and dirt. They'll eventually wear out to the point that they are unable to contact with the circuit board, or the sensor under the keypad.
car key repair cost can try to have the key fob replaced by going to an auto dealer, but this can be expensive and could take a long time. You can also call an emergency locksmith who will fix your key fob at less.