Car Key Button Repair
Car key buttons take lots of abuse particularly if they are used frequently. This could lead to them becoming faulty over time.
There are a few quick fixes that can get your keys working again. However, these solutions come with risks associated with changing batteries or altering your key fob. If you're not confident doing these yourself, it is recommended to consult an auto locksmith professional.
Change the Battery
If you're noticing that your key fob is no longer working as it should, it could be time to replace the battery. You can typically purchase replacement batteries at any national chain drug store, or the parts department at your car dealership. Some manufacturers will include an extra battery in your car when you buy it.
The first thing you'll need to determine what battery is used in your key fob. This information is typically found on the website of the manufacturer or by checking the key fob. The most common type of battery found in the keyfob is the button cell that is like the ones found in watches and remotes. These batteries are available at Walgreens, Energizer and other stores for less than $5 for a pack of two.
If you are aware of the type of battery your key fob has then you can open it up and remove the old battery. The majority of key fobs are made with a seam or notch between them, which you can open by using your fingers or using the flat side of a screwdriver. After the key fob is been opened, the battery will come out. Then, you can replace it with the same design. Many key fobs are powered by CR2032 batteries. These batteries are sold at retailers who sell AAA or AA batteries.
You can join the two halves together after you have inserted the new battery and then test the key fob to make sure that all buttons are functioning correctly. Pressing the locks and unlock buttons on the key fob while pointing it towards your vehicle will help determine whether or not everything is working exactly as it should. If your vehicle is not responding to the key fob, it could be required to reprogram the key fob and establish an electronic connection between the two. It's a relatively easy process and requires only the use of your phone or other device to do so.
Reprogram the Key Fob
If you're having trouble with your key fob and believe 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, so your best bet is to refer to the owner's manual (usually available in PDF format on the site of the automaker) or look on YouTube for videos explaining how to do this.
In the majority of modern vehicles, a particular procedure is required to put the vehicle in 'programming mode'. This usually involves pressing the power button a few times on the driver's door or ignition while simultaneously pressing the button on the fob within the time frame specified. This is how the fob communicates its digital identity code to the vehicle, and it stores it in memory. Once she said is programmed, it will function like an ordinary key.
Reprogramming a keyfob will erase any previous keyfobs. If you want to keep the other fobs after the first, they should be reprogrammed swiftly and with care.
Sometimes you can find replacement batteries for car key fobs at hardware stores, large retailers, or even on the internet. However, you must know the make and model of your car before buying a fob battery as the right kind can be difficult to locate.
A CR editor found an appropriate battery for the key fob she used however it was for a different vehicle. This meant she was able to start her car and open the door, but couldn't lower the windows.
Fortunately, the dealer can assist you in this instance and most dealers have the equipment needed to reprogram a fob to a specific car. Dealers are required to carry out this service on certain European cars such as Audi and BMW because they come with specialized security features that can only be reset in the factory. Some dealers, like those at Toyota and Lexus were willing to reprogram a replacement key fob in the event that you could identify the exact model and brand of your car.
Replace the Button
If you've tried changing the battery, reprogramming your key fob, and still haven't been able to start your car it's time to replace the button on the key. The car key button gets a lot of use and jostling over the years and can get stuck or damaged. Each time you press the button on your car key fob generates a unique code in a sequence that is recognised by the receiver inside the vehicle. Trying to operate your car from a distance without using the correct code can cause it not to recognise you and lock the doors or shut off the engine.
You can purchase replacement buttons online or in many local hardware stores. It is simple to install them and they are extremely simple to open.
Contact an Auto Locksmith
If you're experiencing a problem with your car key It could be time to call in the experts. Auto locksmiths specialise in the repair of electronic car keys and their associated locks. They have the expertise and tools necessary to diagnose and fix a variety of issues with your key fob, including replacing batteries and changing their programming. They have the knowledge and expertise to tackle more complex jobs, like repairing a broken key or cutting the replacement key.
The switch in the car key button is often worn out. The use of the switch and exposure to elements are the main reasons. The switch is typically constructed from a hard plastic material and it has several different switches on its surface. Each of these switches activates the function for which you use the key. As the switch ages it becomes more difficult to turn on these functions. You will have to exert more pressure on the switch in order to make it work. This can cause more damage to the switch, decreasing its lifespan.
The most straightforward solution to this issue is to replace the battery in your car's key fob. It is easy to find lithium-ion button and coin cell batteries in pharmacies, supermarkets and home improvement stores. Once you've replaced the battery the key fob will be working again.
If the issue persists it could be because the contacts inside your key fob have become worn out. The contacts are made of rubber and coated with an electric conducting film, which can wear down over time. They are exposed to the elements when you use the key, so they're constantly being exposed to moisture and dirt. They will eventually wear to the point that they can no longer make contact with the circuit board or the sensor under the keypad.
You can attempt to get the key fob replaced by visiting a vehicle dealership, but it can be costly and could take quite a while. You can also call a local locksmith who will repair your key fob at an affordable price.