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How to Repair a Dead Car Key

Sometimes extreme heat or cold can cause a car key to stop functioning properly. It is best to wait a few minutes before you decide to replace it.

It's a real pain when the keys to your car fail and they happen at the most uncomfortable times! You can repair a broken key without having to buy another one.

Dead Key Fob Batteries

Modern key fobs allow us to open doors, trunks, and tailgates without the need to search for a car key. Some key fobs even have a built-in key that can be used to start cars. These fobs are powered by a tiny battery. If this battery dies and the key fob stops working, it cannot send a signal to activate the vehicle. Luckily, there are several ways to fix a dead key fob and get your car running again.

First, check if the key fob is really dead. If it appears to be, you'll require a replacement battery. You can do it yourself by removing the fob from its clip, or by using an screwdriver with a flat-head. It is important not to apply too much force, or you may damage the fob. It's also important to make sure you're replacing the correct type of battery. Most key fobs are CR2032 3-Volt batteries, but some models may require a different type. If you're unsure of the type your car requires the most common place to look is the information in your owner's manual or visit an Interstate All Battery Center to have a battery expert help you.





If the key fob actually isn't dead, you can revive it by bringing it closer to your vehicle. Since the majority of key fobs use RFID (radio-frequency identification) they can only operate at a short distance and need to be close enough for the ignition system to be able to recognize the signal. If you are able to move a few inches closer your car, it might unlock or even start.

Many automobile manufacturers have a backup system that can be activated if the battery on the key fob is low. For instance, many Ford models have a separate slot for the key fob that will turn on the engine if it is properly inserted. Check your owner's manual for details on how to locate this slot and how to insert the key fob. If you are unable to start the car using this method, you should contact roadside assistance.

Broken Key Ring

The internal chip of the key fob is what communicates to your car's immobilizer to allow it to start the motor. If this chip becomes damaged or if there are programming mistakes, the key fob will not be able to send the correct identification code and your car won't start. In certain instances the problem with a defective transponder key may be caused by physical damage or wear and tear to the key shell or contact pads.

There are often warning indicators on your dashboard when the key fob is having trouble communicating with the immobilizer system of your vehicle. This could be errors, flashing lights or the key is not locking the vehicle. If you are noticing these warnings contact your local locksmith immediately to request a replacement key fob or repair.

If you carry a lot of keys, it is easy to damage the key ring. This can cause the fob to split in half. This is among the most common causes of a broken car keys. car key remote repair near me can use super glue on both sides of the crack and gently press them together to repair the issue. Use a gel-type of glue that drys slowly to prevent drips or runniness.

If this method does not work, you should seek out a professional locksmith as soon as possible to prevent further damage to your vehicle. A locksmith who is certified can to repair or replace your fob swiftly and ensure that the ignition as well as door locks are not damaged in the process.

It can be frustrating when your key fob is damaged. It's not cause for panic or frustration. You can take proactive steps to decrease the likelihood of your key fob failing in the future. This includes regular maintenance, key protectors, and having an extra. If you do encounter an issue with your key fob, the team at Quicksmith is available to assist!

Broken Key Loop

One of my MK5 keyfobs has broken off the tiny key loop on top where it attaches to the keyfob. It's believed to be made of very soft plastic or metal. I've drilled the hole and wet-sanded it to make it more durable. However, I'm sure that's not helping.

I've also wrapped the broken portion of the ring in clear tape, but that does not seem to do any good. It's a shame because I rely on the small split ring to keep my keys in the right place.

If the key fob's case itself is broken It's usually possible to remove the case and replace the battery (assuming the battery isn't dead). There are kits online for this, but they typically only provide an interim fix. It is more efficient to take it to a technician who will replace the battery and reprogram the key fob. You may also find an alternative case at an home improvement store or locksmith. These cases aren't as expensive as the new key fob.