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How to Repair a Dead Car Key

Extreme cold or extreme heat can sometimes cause a vehicle to stop working. Take a moment before replacing it.

If your car keys get damaged it can be a major trouble. It always occurs at the worst moment! You can fix a broken key without needing to purchase a new one.

Dead Key Fob Batteries

Modern key fobs allow us to open doors, trunks, and tailgates with ease without the need to search for a physical car key. Some key fobs have an inbuilt key that can be utilized to start our vehicles. However, these fobs are dependent on a small battery that is the power source for their remote functions. If the battery dies, then the key fob cannot transmit the signal to activate the vehicle. There are many methods to fix a dead vehicle key fob.

First, check the condition of the key fob to determine if it's really dead. If it appears to be, you'll require a replacement battery. You can do this yourself by removing the key fob from its clip or using a small flat head screwdriver to pry it apart. Be cautious not to put too much pressure on the fob or you could damage the fob. It's also important to be sure that you replace the correct battery type. Certain models may require a different battery. If you're not sure which type your car requires, you can usually find the details in the owner's manual, or visit an Interstate All Battery Center to have a battery expert help you.

If remote car key repairs fob isn't actually dead, you can revive it by bringing it closer to your vehicle. The majority of key fobs employ RFID (radio frequency identification), which only works at a short distance. The ignition system needs to be able to detect the signal. If you are able to move a few inches closer your car, it might unlock or even begin to work.

Many automobile manufacturers have a backup system that is activated when the battery of the key fob is low. For example, most Ford models have a dedicated slot for the key fob that will activate the engine when it is properly inserted. Go through the owner's manual to find information on where to find the slot and how to insert the key fob. If you're unable to start your car using this method, make sure to get assistance from roadside assistance.

Broken Key Ring

The internal chip inside the key fob is what transmits to your car's immobilizer in order to start the motor. If the chip is damaged or if there are programming mistakes, the key fob will not be able send the correct identification code and your car won't start. A faulty transponder can be caused by physical damage to the key shell, or wear and wear on the contact pads.

There are often warning signs on your dashboard if a keyfob has trouble communicating with the immobilizer system of your vehicle. These can include errors messages, a flashing light or the key not locking or unlocking 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's easy to scratch the key ring. This can cause the key fob to snap in half and is among the most common causes of car keys breaking. You can use super glue on both sides of the crack and gently press them together to repair the issue. Make sure to use a gel type of glue that drys slowly in order to avoid drips or runniness.

If this method does not work and you are not sure, contact a professional locksmith immediately to prevent further damage to your vehicle. A qualified locksmith can replace or repair your key fob in a short time and will also be able ensure that the ignition lock as well as the door lock aren't affected during the process.

If your key fob is damaged, it can be frustrating and inconvenient. It is not a cause for anxiety or anger. You can take proactive steps to decrease the possibility of your key fob failing in the future. This includes regular maintenance, key protectors, and keeping a spare. If you do experience a problem with your key fob Quicksmith's team Quicksmith is available to assist!

Broken Key Loop


One of my MK5 keysfobs broke off the little key ring that is at the top, where it connects to the keyfob. It's believed to be made of extremely soft metal or plastic. I've drilled the hole and wet-sanded the area to make it stronger. But I suspect that's not helping.

I've also tried wrapping the broken part of the ring with clear tape, but that doesn't seem to do much good. It's really a shame, since I use the rings to hold my keys in place on the mini-split ring that holds the larger split rings for the other keyfobs.

If the key fob's case is damaged it is usually possible to open up the case and replace the battery (assuming the battery isn't already dead). There are online kits for this, however they typically only provide temporary fixes - it may be faster to bring it to a professional who will swap out the battery and reprogram the key fob. Alternately, you may be able to locate a replacement case at a home improvement store or locksmith. They're not likely to be as costly as a new key fob.

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