How to Repair Car Keys
The car keys aren't big and may not seem important, but they're essential for the proper operation of your car. Replacing a traditional key or a transponder one can cost upwards of $200.
There are methods to repair your car keys at home for less than. This article will address the most frequent car keys problems and the DIY solutions to fix them.
Dead Key Fob Batteries
Cars are equipped with a remote key fob which makes opening doors, trunk and tailgate more convenient than ever before. However, the battery in this device can die. However, there are some techniques that can be employed to solve this problem in an emergency.

First, determine if the car is in ignition mode. If it is, the battery on the key fob could simply be low instead of dead. To test this, press the fob's button against the ignition button on the vehicle. If it works, then the battery is probably in good condition and just needs to be replaced.
To replace the battery within the fob, pry open the case using the screwdriver. Do not apply too much force as this may cause the fob's case to split. If the fob doesn't seem to be coming easily, try putting your pry tool in multiple places around the outside of the case.
Once the fob is opened, remove the mechanical key, and then open the electronic portion of the car. Then, you can insert the replacement battery and then snap the shell back together. If the key fob does not work after this procedure, it could be due to an problem with the remote starting system of your car. This requires an expert to identify. A trusted mechanic will be able help you in this situation. If you require assistance with your vehicle and you need help, you can call roadside assistance.
Broken Key Ring
If your key fob isn't functioning because the ring is broken, there are a few things you might try. First, you should check to see if the broken piece is still in the ignition. If it is, remove it without damaging the door lock or ignition lock. Call a locksmith if you are having trouble taking the key off. They have tools that can safely remove a damaged key from the ignition.
A damaged car key could also be the result of corrosion on the plastic frame or circuit board. You can clean the circuit board using a cotton swab soaked in rubbing alcohol. This will remove corrosion and ensure that the contact pads aren't damaged.
If your key isn't starting because the ring is broken, you may be able fix it by using a thick wire or nail to seal the hole. Superglue can be used to fix a broken key ring. First, clean the damaged rings with a damp cloth and then apply a small amount superglue to the ends of the wire or nail. Then, press the pieces together and let them dry prior to using your vehicle. These DIY solutions may seem appealing, but they are only a temporary solution. For long-term repairs, you'll want to get an experienced locksmith. They have the tools and know-how to fix a broken car key quickly and efficiently. They can even replace the battery in your key fob, and modify it if necessary.
Broken Key Blade
Some key blades might break due to 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 problem is that the metal blade has separated from the case.
Spraying lubricant into the keyhole is one solution to repair it. Then you can use pliers, tweezers, or a pin to grab the end of the broken key and pull it out. If the key is magnetic, you can also try using a magnetic tool to help pull it out. Use a magnet to help you remove the key, but be careful to not sever the lock tumbler.
Contact a locksmith right away if you are unable to remove the broken part of the key. They have special tools to safely remove keys without causing any further damage.
You can also apply super glue to fix a snapped key. Apply a small amount of glue to the edges and press them in. After that, wait until the glue has dried before inserting your key into the lock. This method isn't extremely reliable, and you may need to repeat the process several times before it works. Super glue may not be able to hold the key together. This is more of a temporary solution than an option that is permanent.
Broken Plastic Loop
If the loop of plastic on your key fob fails it could cause the key to become ineffective. It's a fairly simple fix. You can use wire or a nail for finishing as a replacement. Drill two holes in the broken plastic loop at each end of the nail or wire. Cut the wire or nail to the desired width, and then place a small drop of superglue in each hole. Then, press the wire or nail into the holes to close them, and then let it dry.
A locksmith who sells replacement shells is an alternative option. repair car keys can remove the programmable part of your key, then transfer it to the new shell, and cut a new blade for much less than the full replacement cost.
This is not the best solution, but it will allow you to travel again if your key been cut in half. It can be difficult to fix when the key blade is in the ignition, however. If you're not cautious you can employ a hair clip, or needle to remove the broken piece from the ignition. The best choice is to contact an expert locksmith who has tools for safely removing broken keys from the ignition. They can also make you a new key with the proper cuts for your vehicle's ignition and ensure it works properly when it is inserted into the lock.
Broken Master Key
If a key gets damaged inside the lock, you'll need to find it before it's completely destroyed. There are a variety of methods you can use, including using lubricants as well as tools such as needle nose pliers and tweezers to pick up a piece of the key that has been broken and remove it.
To begin, spray the inside of your lock with a lubricant, such as graphite powder or WD-40. You can also employ hacksaw blades, which involves moving the blade along the sides of a damaged key and grabbing onto some of its 'teeth. If you're successful then you should be able to take the broken key out.
Another helpful tool is a spiral key extractor, which you can find in a variety of hardware stores. This has a thin flexible bar with spiral threads that can be inserted into the keyway, and then bent to dig into the broken part of the key. Once it is firmly anchored to the serrations you can twist the bar in a circle and then pull it against the broken part of the key.
Before contacting a locksmith, try to get rid of the broken master key. If you're unable to remove the broken piece then you'll have to call in the professionals. Locksmiths can create you a new key that can be programmed using your car transponder.