The Repair Car Key Mistake That Every Beginner Makes

· 4 min read
The Repair Car Key Mistake That Every Beginner Makes

How to Repair a Dead Car Key

Sometimes extreme cold or heat can cause a car key to stop functioning properly. You should wait a while before spending money to replace it.

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

Dead Key Fob Battery

Modern key fobs allow us to open trunks, doors, and tailgates without the need for a car key. Some key fobs have an inbuilt key that can be used to start cars. These key fobs are powered by a small battery. If the battery dies and the key fob dies, it will not be able to transmit the signal needed to turn on the vehicle. Fortunately, there are many ways to repair the problem and get your car operating again.

First, try to determine if your key fob is dead. If it seems to be dead, you'll need to replace the batteries. You can do it yourself by disconnecting the fob from its clip or using a screwdriver with a flat head. It is important not to apply too much force or you could damage the fob. You should also make sure that you're using a correct kind of battery.  try what she says  of key fobs utilize the CR2032 3-Volt battery, however some models may require a different type of battery. If you aren't sure what kind of battery your car needs it is possible to find the information in the owner's manual, or visit an Interstate All Battery Center to get a specialist in battery assistance you.

You can sometimes revive a key fob that isn't dead by moving it closer to the car. Most key fobs use RFID (radio frequency identification) that only operates within a narrow range. The ignition system has to be able detect the signal. If you are able to move just a few inches closer to your car, it may unlock or even start.

Many car manufacturers have an emergency mechanism that can be triggered when the battery of the key fob is dead. Ford for instance has a slot that is dedicated to the key fob. If properly inserted the key fob will activate the car's engine. Refer to the owner's manual for information on where to find the slot and how to properly insert the key fob. If you are unable start your car using this method, make sure to contact roadside assistance for assistance.

Broken Key Ring

The chip in the key fob is what communicates with your car's immobilizer system in order to start the engine. The chip could be damaged or there might be programming mistakes. If this happens the key fob won't be able to send the correct identification code and your car won't begin. In some cases a malfunctioning transponder key can also be caused by physical damage or wear and tear to the key shell or contact pads.

There are often warning signs on your dashboard when keys are not communicating with the immobilizer system of your vehicle. This could include error messages, a flashing light or the key not locking or unlocking the vehicle. If you are noticing any of these warnings, call your local locksmith right away for  key fob repair  or replacement.


If you carry a lot of keys, it is easy to break the key ring. This can cause the fob to break in half. This is among the main reasons for a broken car key. 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 break and carefully pressing them together. It is important to use a gel-type glue that dries slowly to prevent drips or runniness.

If this method doesn't work, you need to call an experienced locksmith immediately to avoid any further damage to your vehicle. A professional locksmith will be able to replace or repair your key fob quickly, and they will be able to make sure that the ignition lock as well as the door lock aren't affected by the process.

It can be very frustrating when your key fob is damaged. It's not cause to be in a state of panic or anger. Instead you can take proactive steps to minimize the chance of your key fob rupturing again in the future. This includes regular maintenance, using key protectors and keeping an extra key. Quicksmith's team is available to assist you if your key fob is damaged.

Broken Key Loop

One of my MK5 keysfobs fell off the small key ring on the top, where it attaches the keyfob. Apparently it's made out of extremely soft plastic or metal. I've made a hole in it, and then wet-sanded it to strengthen it but I'm guessing the problem isn't helped by that.

I've also tried wrapping the broken ring with clear tape but it didn't look much better. This is a pity, as I use the little split ring to keep my keys in place.

If the key fob's case is damaged, you could usually open it and replace the battery, if it is not already dead. Online kits are available however they're only an interim solution. It's better to get it fixed by a professional. Alternately, you may find a replacement case at an home improvement store or a locksmith. These cases aren't as expensive as an entirely new key fob.