Question: How Much Do You Know About Car Key Button Repair?
Car Key Button Repair
The buttons on car keys are subjected to a lot and are especially vulnerable if often used. This could lead to them becoming faulty over time.
There are many quick solutions to get your keys working again. These methods are not without risk, however. Changing batteries or tampering the key fob could be dangerous. If you are not comfortable with these methods, it is recommended to seek advice from an expert auto-locksmith.
Change the Battery
If you notice that your key fob not functioning as it should, it may be time to replace the battery. You can purchase replacement batteries at any national chain drugstore or at the parts department of your local car dealership. Some manufacturers include an extra battery in the car when you purchase it.
The first thing you will have to do is find out what kind of battery your key fob is powered by. The manufacturer will likely have this information on their website or on the key fob itself. The most popular type of battery in a keyfob is the button cell, which is similar to the ones used in remotes and watches. These types of batteries are typically sold at places like Walgreens and Energizer and are available at less than $5 for a pack of two.
You can take the old battery off your key fob once you know which type of battery it has. It is possible to open most key fobs by using your fingers or a flat tool like a screwdriver, at the notch or seam where they connect. When the fob is opened, the battery will be able to pop out and you can then insert the new one in the same orientation as the previous one. A lot of key fobs are powered by CR2032 batteries. car key fob repairs can be found at retailers that sell AAA or AA batteries.
You can snap the two halves back together after inserting the new battery and then test the key fob to make sure that all buttons work properly. Pressing the locks and unlock buttons on the key fob while pointing it towards your vehicle will allow you to determine if everything is working as it should be. If your vehicle is still not responding to the key fob, it might be required to reprogram the key fob and establish an internet connection between the two. This is a relatively straightforward process that requires your phone or a different device.
Reprogram your key fob
If your key fob does not function and you believe it's time to replace it, it may not need a new battery, but rather the original one must be reset. This process varies by car so the best way to find out is to refer to the owner's manual (usually accessible in PDF format on the website of the automaker) or search YouTube for videos on how to go about this.
Most modern vehicles require a special procedure to put the vehicle into 'programming mode,' which typically involves engaging the power button on the driver's side door or ignition a few times while pressing the fob's button within a certain time frame. The fob transmits its digital identification code to the vehicle, and then saves it. Once the fob is programmed, it will behave as a normal key.
Reprogramming a keyfob erases any previous keyfobs. Therefore, if you'd like to keep other fobs, they need to be carefully and quickly reprogrammed after the first one.
You can often find replacement batteries for your car key fob at hardware stores, big-box retailers or online. You must be aware of your car's make and model before you purchase a key fob since it can be difficult to locate the correct battery.
A CR editor discovered an battery for her key fob however, it was from an entirely different vehicle. This meant that she could start her car and unlock the door, but couldn't lower the windows.
Fortunately, the dealer can help in this situation, as most of them have the necessary equipment to reprogram a fob to a specific car. Certain European automobiles, like the ones manufactured by Audi and BMW generally require you to go to 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 reprogramme the key fob in a replacement provided you knew the exact model and brand of the car you own.
Replace the Button
If you've tried changing the battery, reprogramming your key fob, but still haven't been able to start your car it's time to replace the button on the key. The button on the key of your car is subject to a lot of use and jostling, and it can be damaged or stuck over time. When you press the button on your key fob an individual code is transmitted in a sequence that the vehicle's receiver can recognize. Trying to operate your vehicle from a distance without using the correct code can cause it not to recognise you and then lock the doors or turn off the engine.
You can purchase replacement buttons online or at many local hardware stores. They are fairly easy to open up and install and only require a little clear plastic tape to cover the button.
Contact an Auto Locksmith
It's time to speak with a professional if you are experiencing problems with your car's key switch. Auto locksmiths are experts in the repair of electronic keys and locks. These specialists have the tools and know-how to determine and fix issues with your key fob. This includes replacing batteries and reprogramming them. They have the expertise and skills to handle more complex jobs, like fixing a damaged key or cutting an alternative key.
One of the most common reasons for a car key switch to stop working is because the switch inside has worn out. This is due to overuse and exposure to elements. The switch is usually made from a hard plastic and has many different switches on the surface. Each of these switches is responsible for activating the specific function you are using the key for. As the switch age it becomes harder to turn on these functions. You will need to exert more pressure on the switch in order to make it work. This can cause more damage to the switch, diminishing its lifespan.
Replace the battery in your key fob. The majority of cars have lithium-ion coin or button batteries that you can buy at supermarkets, pharmacies and home improvement stores. Once you've replaced the battery the key fob will work once more.
If the problem persists, it could be that the contacts on your key fob are worn out. The contacts are rubber-like and coated with an electrically conducting film that can wear down over time. As you use the key they are exposed to moisture and dust. Over time, they get worn down until they no longer make contact with the circuit board or the sensor beneath the keypad.
The dealer can replace the key fob, but it can be expensive and take a long time. Another option is to call a local car locksmith who will be able to repair your key fob and save you money.