How to Repair a Dead Car Key

Sometimes extreme heat or cold can cause a car key to not function properly. Wait a while before replacing it.

It's a major pain when the keys to your car break and it happens at the most difficult times! There are a variety of ways to fix broken car keys that won't require a new one.

Dead Key Fob Battery

Modern key fobs allow us to open trunks, doors and tailgates without having to fumble around for a key. Some key fobs have a built-in key that can be used to start our cars. However, these key fobs are dependent on a small battery that provides power to their remote functions. If the battery fails then the key fob can no longer transmit the signal needed to start the vehicle. There are a variety of ways you can repair a dead key fob and get your car functioning again.

First, you must determine the condition of the key fob to determine if it's really dead. If it appears to be, then you'll need to replace the battery. You can do this yourself by taking the key fob off its clip or using a small flat head screwdriver to pry it apart. It is important not to apply too much force, or you may damage the fob. It is also essential to make sure you are replacing the correct battery type. Most key fobs are the CR2032 3-Volt battery, however some models may require a different type. If you're unsure of the kind of battery your car needs the most common place to look is the details in the owner's manual or visit an Interstate All Battery Center to get a professional to assist you.

If the key fob isn't dead, you can sometimes revive it by moving it closer to your car. Since the majority of key fobs use RFID (radio-frequency identification) they only work for a short time and must be close enough for the ignition system to detect the signal. If you move just a few inches closer to your vehicle, it could unlock or even begin to work.

Many car manufacturers have backup systems that can be activated when the battery of the key fob is low. For instance, many Ford models have a separate slot for the key fob that will start the engine when inserted correctly. You can find instructions in your owner's guide on how to locate this slot and insert the key fob correctly. If you're unable to start the car using this method, contact roadside assistance.


Broken Key Ring

The internal chip in the key fob communicates to the immobilizer on your car in order to start the motor. This chip can be damaged or there might be programming mistakes. If this happens, your key fob won't be able to send the correct identification code, and your car won't start. In some cases the problem with a defective transponder key could be caused by physical damage or wear and tear on the key shell or contact pads.

Usually when the key fob begins to struggle with the vehicle's immobilizer system, you will see specific warning indicators on the dashboard. This could include errors messages, flashing lights or the key not locking or unlocking the vehicle. If key fob repairs notice any of these signs, you should contact your local locksmith immediately for key fob repair or replacement.

When you carry many keys, it is easy to break your key ring. This can cause the fob to split in half. This is one of the main causes of broken car keys. If this happens, you can try to use super glue to fix it by applying a small amount the glue on both sides of the crack and then gently pressing them together. It is important to make use of a gel-type glue that has a slow drying time to prevent drips or runniness.

If this method doesn't work then you must contact a professional locksmith right away to avoid further damage to your vehicle. A locksmith with the right qualifications will be able replace or repair your fob swiftly and make sure that the ignition and door locks do not get damaged in the process.

If car key fob repairs gets damaged, it can be a hassle and a nuisance. However, it is not an excuse to panic or become frustrated. You can take proactive steps to reduce the possibility of your key fob failing in the near future. This includes regular maintenance, key protectors, and keeping an extra. If you do have a problem with your key fob Quicksmith's team Quicksmith is available to assist!

Broken Key Loop

One of my MK5 keysfobs fell off the small key ring at the top, where it joins the keyfob. It appears to be made of very soft plastic or metal. I've drilled the hole and wet-sanded the area to make it stronger. But I'm guessing that's not helping.

I've also tried to wrap the broken the ring with clear tape, but that didn't seem to be any better. This is a pity, as I use the tiny split rings to keep my keys in the right place.

If the key fob's case is damaged It's usually possible to remove the case and replace the battery (assuming the battery isn't already dead). There are online kits for this, but they generally only offer a temporary fix - it may be faster to bring it to a professional who can swap out the battery and reprogram the key fob. You can also locate a new case at an a locksmith or home improvement store. They're not as expensive as the new key fob.