"Ask Me Anything:10 Responses To Your Questions About Remote Key Fob Repair
Remote auto key repair Can Do at Home
If your remote key fob stops functioning, you might be tempted to visit a dealership to have it reset. Try some quick fixes in your home.
Begin by replacing the battery. Flat watch-style batteries are inexpensive and easily found at hardware stores. Take a closer look at the key fob and look for buttons that are worn out or out of place.
Dead Battery
The key fob is an electronic device that makes it easy to lock or unlock your vehicle. It utilizes an radio transmitter with a short range to send distinct codes to the receiver in your vehicle. The batteries inside key fobs last for a long period of time, but can be wiped out at any time. Check the LED light, or try pressing one of the buttons to see whether it's dead. If the key fob does not respond to press, then the battery is dead and needs to be replaced.
It is quick and easy to change the battery in your key fob. It's usually as easy as opening the key fob, taking out the old battery and replacing it with a brand new one. Fobs have small batteries, similar to the ones found in watches or hearing aids and are available at general stores and home improvement stores. They're typically shaped like a small coin and have plus and minus signs on the bottom. Consult your owner's guide or the label on the fob that you have on your key if you aren't sure what type of batteries your key fob is using.
Your key fob should work normally. If it does not it could be due to a different issue with your vehicle or its system that's causing the fob to not perform as it should. If this is the case, you will need assistance at the roadside.
You may be able order replacement key fobs from a dealer or online, based on the make and models of your car. It is often cheaper and less expensive to purchase a new key fob instead of to repair a damaged one.
Buttons Are Unresponsive
If you've been driving for a while, and you notice that the keys' buttons are not functioning it could be an issue with worn out buttons or sensors. The majority of fobs have buttons made of rubber which wear out over time, which may cause them to work properly if they are pushed in a particular way or with extreme force. This is a problem that occurs with many fobs, and can be easily repaired by following a few simple DIY steps.
To unlock the car, the fob sends a signal to the receiver inside the car. If the receiver is damaged, it may not receive the signal, and the key will not be able to open or start your car. This can be resolved by having your mechanic inspect the receiver to determine if there is damage. In many cases, this is cost-free or at a minimal cost dependent on the model of your car.

It is not surprising that key fobs are frequently utilized and tossed around in pockets and purses. They can become finicky and only function properly when they are pressed in a particular manner. It is simple to fix most fobs, as the buttons are easily strengthened with silicone and a bit of effort.
Press and hold the lock/unlock buttons on your keyfob until you hear the vehicle sound chime. It is necessary to do this a few times in a row to trigger the button activate. Next, cycle your key in and out of the ignition a couple of times to reset your fob's connection to the car. After the connection has been restored, you can remove the key from the ignition and then unlock your car using the remote. Repeat the process as necessary to make sure your fob is working again. If you are not able to fix the fob following this process it might need to be replaced entirely. If you decide to replace the fob, be sure that it is programmed to match your vehicle's model and make.
Keychain Loop Breaks
If the loop of plastic on the key fob gets damaged it won't work to lock or unlock your vehicle. The keychain loop can be easily replaced.
Damage from water or moisture could also cause key fobs to malfunction with symptomatic problems including a diminished range of operation or no function at all. The issue can be solved by replacing the battery and drying the key fob, but in certain cases, repair or replacement by a professional might be required.
Over time the buttons on key fobs can wear out and become less responsive or ineffective. It is possible to replace the key fob button or case however reprogramming is often able to resolve this problem. Signal interference from nearby electronic devices could affect the connection between your key fob and your vehicle and cause problems in unlocking or locking. This could require a diagnostic test performed at the dealership to identify and fix. This is often the case with older electric key fobs that operate using infrared signals. They require a clear line-of-sight to work however modern microchip keys use challenge-response authentication over radio frequency to communicate with your vehicle.
Corrupted or lost pairing
Over time the batteries of keyfobs degrade. If the battery has lost a lot of its charge, the remote might not respond to commands. This issue is usually fixed by replacing the battery however, it could be necessary to re-program your remote.
Modern cars have key fobs that can control various functions. They can raise and lower windows, turn off the alarm and turn on the interior lighting and even start some vehicles. This means it is possible for owners to use the wrong buttons due to accident. Keep the owner's guide close by when using your keyfob to easily refer to the sections that pertain to the car's features.
A fob might not function because the remote signal has been corrupted or has been lost. Some of the more modern key fobs use sophisticated signal encryption technologies to stop thieves from stealing the signals and creating remotes or key fobs that are not authorized which can unlock your vehicle. You'll likely need to visit an auto locksmith or dealer to re-program the fob and restore its functionality.
Some automakers provide their own instructions available to do-it-yourself key fob programming. In most cases, these processes are simple enough to be done at home. However, the process is usually not a good option for people who have no prior electronics experience. This kind of work is best left to professionals.
Key fobs are subjected to a lot more wear and tear when they're used and handled frequently. The buttons on a key fob can get jostled around, and the case itself may crack or break. Keep a spare fob with your person at all times. This will help you save time should your remote break down while you're out and out and about. Keep it near your bed at all times, so you can use the panic button in the event that you hear noises at night.