Ten Car Key Button Repair-Related Stumbling Blocks You Shouldn't Post On Twitter

· 5 min read
Ten Car Key Button Repair-Related Stumbling Blocks You Shouldn't Post On Twitter

Car Key Button Repair

Car key buttons undergo many abuses, especially if used frequently. As time passes, they may become damaged.

Fortunately, there are several quick fixes to get your keys working again. These solutions are not without risk however. Making changes to batteries or tampering with your key fob can be risky. If you're not comfortable with these methods, it is best to consult an expert auto-locksmith.

Change the Battery

It's possible to change the battery in the case that your key fob doesn't function as it should. You can find replacement batteries in any national chain drugstore or in the parts department of your local dealership for cars. Some manufacturers even include a spare key fob battery in the packaging when you purchase your car from them.

You will first need to determine the kind of battery is used in your key fob. The manufacturer should have this information on their website or on the key fob's specifications. The most commonly used battery that is used in the key fob is a button cell similar to the ones used in remote controls and watches. These types of batteries are sold at places like Walgreens and Energizer, and can be bought for under $5 for a pack of two.

You can remove the old battery from your key fob when you know the type 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 notch or seam where they join. Once the fob is opened, the battery will come out, and you can then insert the new one in the same orientation as the old one. The majority of key fobs are powered by CR2032 3V batteries, which are available at many retailers that sell AAA and AA batteries.

Once the new battery is installed, you can take the two parts of the key fob together and check that all buttons function correctly. You can test if everything is functioning properly by pressing the lock and unlock button on the key fob, while pointing it towards your vehicle. If your vehicle is still not responding to the key fob, it might be necessary to reprogram the key fob and establish an electronic connection between the two. Fortunately, this is quite simple and requires the use of your phone or other device to do so.

Reprogram your key fob

If your key fob doesn't work and you think it's time to replace it the fact is that it might not require an entirely new battery, but instead the old one has to be reset.  car key fob repairs near me  is different for each car. To find out how to go about it go through the owner's manual. It's typically available in PDF format on the automaker website. You can also search YouTube for videos.

In most modern vehicles, a particular procedure is required to put the vehicle into "programming mode". This usually involves pressing the power button several times on the door of the driver or ignition, while simultaneously pressing the button on a fob within a time-specific period. This is how the fob communicates its digital identity code to the car, which saves it in the memory. The fob can function as an ordinary key once it is programmed.

Reprogramming a fob will erase any previous keyfobs. If you want to keep the other fobs following the first, then they should be programmed quickly and with care.

Sometimes, you can find replacement batteries for car key fobs at hardware stores, large retailers, or even on the internet. You must know your car's model and make before you purchase a key fob since it can be difficult to locate the correct battery.


A CR editor stumbled across a battery for her key fob but it was from another vehicle. This meant that she could start her car and unlock the door, but couldn't lower the windows.

Dealers can be extremely helpful in this regard, since they have the tools to reprogram the fob on the specific vehicle. Dealers are required to carry out this service on some European vehicles like Audi and BMW because they come with specialized security features that can only be reset in the factory. Other dealers we spoke with like those at Toyota and Lexus were willing to attempt reprogramming the fob in a replacement as provided you know the exact model and make of your car.

Replace the Button

If you have tried changing the battery or reprogramming the key fob, but you still cannot start your car, it may be time to replace the button on the key. The button on your car key is subjected to a lot of use and jostling and can be damaged or stuck over time. Each press of the button on your key fob emits a different code that is recognized by the car's receiver. If you attempt to operate your vehicle from far away, it may not recognise you. It may lock the doors or shut off the engine.

You can buy replacement buttons online or in numerous local hardware stores. They are easy to install and open and require just a bit of clear plastic tape to cover the old button.

Contact an Auto Locksmith

If you're experiencing issues with your car key it could be time to call in the experts. Auto locksmiths specialize in the repair of electronic car keys as well as their associated locks. They have the tools and knowledge to identify and fix issues with your key fob. This includes replacing batteries and changing the programming. They also have the knowledge and expertise to tackle more complex tasks such as fixing broken buttons or cutting a replacement key.

One of the most common reasons for a car key button to stop working is that the switch inside has worn out. This is due to excessive use and exposure to elements. The switch is made from hard plastic and has multiple switches on its surface. Each of these switches activates the function that you select with the key. As the switch ages over time, it becomes more difficult to activate each of these functions. You will need to apply more pressure to the switch to activate it. This could cause further damage to the switch and shorten its lifespan.

Replace the battery in your key fob. The majority of cars have lithium-ion coin or button cell batteries that you can find at pharmacies, supermarkets and home improvement stores. Your key fob will work once you have replaced the battery.

If the problem continues, it may be that the contacts on your key fob have worn out. The contacts are rubbery and are covered with an electrical conducting film that can wear out. They are exposed to the elements while you use the key and are constantly exposed to moisture and dirt. They'll eventually wear down to the point that they can no longer make contact with the circuit board, or the sensor under the keypad.

The dealer can replace the key fob, but it could be costly and takes a lot of time. The other option is to contact a local car locksmith who can fix your key fob and save you money.