How to Repair Car Keys
Car keys may appear tiny and insignificant, but they are crucial for the proper operation of your vehicle. Replacing an old key or a modern transponder key can cost up to $200.
However, there are ways to repair your car keys at home with a fraction of the cost. This article will address the most frequently encountered car keys issues as well as their DIY solutions.
Dead Key Fob Battery

The remote key fobs that come with cars make it simpler than ever to open the trunk, doors, and tailgate. However, the battery inside the device can fail. There are a few tricks you can employ to fix this problem quickly.
First, determine if the car is still in ignition mode. If it is, the key fob's battery could be low rather than dead. To test this, press the button on the key fob towards the ignition button. If it works, then the battery is probably fine and only requires to be replaced.
To replace the fob battery, begin by prying open the case with an instrument like a screwdriver, or watch-type tool. Be cautious not to apply too much pressure since this could cause the fob's to split in two. If the fob won't open, try using your pry tool several times around the outside of case.
Open the electronic part of your car after you have removed the mechanical key. Insert the new battery and snap it back into the shell. If your key fob still isn't working after this, it could be due to a larger issue with the remote start system of your car. This requires an expert to determine the cause. A reputable mechanic will be capable of helping you in this situation. You can also call roadside assistance for assistance with your vehicle if needed.
Broken Key Ring
There are a few steps you can do if your key fob doesn't work because the ring has been broken. Check to see if you can find the broken piece inside the ignition. If it's still inside, remove it without causing damage to the ignition lock or the door lock. If you have trouble getting it out, contact a locksmith for help. They have tools that allow you to safely remove keys that are damaged from the ignition.
Another reason that can lead to a broken car key is the corrosion of the circuit board or plastic frame. You can clean the board with cotton swab. This will remove any corrosion and ensure the contact pads aren't damaged.
You can repair a damaged ring by using a thick wire or nail to seal the hole. Superglue can also be used to repair a damaged ring. After cleaning the ring with a wet cloth Apply a small amount superglue to the ends of the wire or nail. Apply the glue to the ring and let them dry prior to using your vehicle. These DIY solutions may seem appealing, but they're only a stopgap measure. For long-term repairs, it's recommended to get a professional locksmith. They have the tools and expertise to fix a broken car key quickly and effectively. They can even replace the battery inside the key fob and reprogram it if needed.
Broken Key Blade
Key blades may break from a lot of wear and tear. If this occurs, you must buy a new blade. This problem isn't nearly as serious as you believe at first. The primary issue is that the blade broke off from the case.
Spraying lubricant into the keyhole is one method to repair it. Then, you can use pliers or tweezers to grab the broken end of the key and pull it. You may also use a magnet if the key is magnetic. Be careful not to use a magnet on an ignition key because it could cause the tumbler in the lock to break.
Call a locksmith immediately if you are unable to remove the broken piece of the key. They have tools that allow them to safely remove keys without causing further damage.
You can also apply super glue to repair a snapped key. Apply a small amount to the edges and press them together. Wait until the glue is dry before inserting the key into the lock. This method isn't secure and you may need to repeat the process a few times before it is successful. In addition the super glue might not be enough strong to hold the key together. This is more of a temporary solution rather than a permanent solution.
Broken Plastic Loop
If the plastic loop gets damaged it can render the key useless. This is a relatively easy fix. You can use thick wire or a finishing nail to replace it. For each end of the wire or nail you need to drill two holes into the plastic loop. Cut the nail or wire to key width and put a drop of superglue on each hole. Then, press click the following post or nail into the holes and allow them to dry.
Another option is to get a replacement shell from a locksmith that sells them. They can transfer the programmable portion of your key into the new shell, and cut an entirely new blade at less than the cost.
It's not the best solution, but it will get you back on the road if your key split in half. It can be difficult to repair when the key blade is in the ignition however. If you are not careful you can make use of a hair clip or needle to remove the damaged part from the ignition. The best solution is to contact a locksmith who has special tools for safely removing damaged keys from the ignition. You can also have an entirely new key made using the proper cuts to fit the ignition of your vehicle.
Broken Master Key
You'll need to try at regaining the key before it's completely destroyed. You can use tweezers, lubricants, and needle nose pliers to grab the broken fragment of a key.
To begin, spray the interior of your lock with a lubricant like graphite powder or WD-40. You can also employ hacksaw blades, which involves moving the blade across the face of a damaged key and then grasping a few of its 'teeth. If you're successful you will be able to remove the broken key.
Another helpful tool is a spiral key extractor, which you can find in a wide range of hardware stores. This tool is a thin flexible rod with spiral threads that can be placed in the keyway, and later bent to the broken portion of the key. Once it has been snagged onto the serrations, it is possible to twist it in a circular motion and lever it against the broken part of the key to get it out.
Before contacting a locksmith attempt to take out the damaged master key. If you're not able to remove the broken piece it's time to call in the professionals. A locksmith can give you a new key that will be programmed with your car transponder.