How to Repair a Dead Car Key
Sometimes extreme heat or cold can cause the car key to not function properly. You should wait a while before you decide to replace it.
If your car keys get damaged it can be a major problem. And it always occurs at the most inconvenient time! You can fix a broken key without having to buy a new one.
Dead Key Fob Batteries
Modern key fobs let us to open trunks, doors and tailgates without having to fumble around for a physical key. Some key fobs even come with an inbuilt key that can be used to start 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 cannot send a signal to be used to start the vehicle. There are a variety of methods to repair a dead car key fob.
First, you must determine whether the key fob really dead. If it seems to be dead, you will have to replace the batteries. You can do it yourself by disconnecting the fob from its clip, or by using a flat-head screwdriver. Be careful not to put too much pressure on the fob or you may damage the fob. It is also important to ensure that you're using the right type of battery. The majority of key fobs utilize three-volt CR2032 batteries, however some models may require something different. Find out the type of battery your car needs in the owner's manual, or you can go to an Interstate All Battery Center and ask a specialist to assist you.
If the key fob isn't dead, you can sometimes revive it by moving it closer to your vehicle. The majority of key fobs utilize RFID (radio frequency identification) that only operates in a limited range. The ignition system needs to be able to recognize the signal. If you can move a few inches closer your car, it might unlock or even start.
Many automobile manufacturers have a backup system that is activated when the key fob's battery is low. Ford, for example, has a slot that is dedicated to the key fob. When inserted correctly the key fob will start the car's engine. You can find the instructions in your owner's guide on how to locate this slot and insert the key fob in the correct way. If you are unable start your car using this method, make sure to contact roadside assistance for assistance.
Broken Key Ring
The key fob's internal chip is the one that communicates with your car's immobilizer system to start the engine. If the chip is damaged or if there are programming mistakes, the key fob isn't able to send the correct identification code and your car won't start. In some cases a malfunctioning transponder key can be caused by physical damage or wear and tear to the key shell or contact pads.
There are a lot of warning signs on your dashboard when keys are not communicating with the immobilizer system of your vehicle. These could include error messages, flashing lights or the key not locking or unlocking the vehicle. If you notice these warnings contact your local locksmith immediately for key fob replacement or repair.
If you have a lot of keys, it's easy to scratch the key ring. This could cause the key fob to snap in half and is among the most frequent causes of car keys breaking. If this happens, you can try using super glue to repair it by applying a small amount the glue on both sides of the break and then gently pressing them together. Make sure to use a gel type of glue that drys slowly so that you don't risk drips or runniness.
If this method doesn't work and you are not sure, contact a professional locksmith right away to avoid further damage to your vehicle. A locksmith who is certified will be able repair or replace your fob in a short time and make sure that the ignition and door locks are not damaged in the process.
It can be very frustrating when your key fob gets damaged. But, it's not cause to panic or become annoyed. Instead, you can take proactive measures to decrease the risk of your key fob breaking in the future, such as regular maintenance by using key protectors and having an extra key. If you do experience an issue with your key fob, the team at Quicksmith is here to assist you!
Broken Key Loop
One of my MK5 keyfobs has snapped off the tiny key loop on top, where it connects to the keyfob. It's made of soft metal or plastic. I've drilled a hole, and then wet-sanded it to strengthen it, but I suspect that the issue isn't solved by that.
I've also wrapped the broken part of the ring in clear tape, but it doesn't seem to do much good. It's a shame, because I use the little split rings to keep my keys in the right place.
If the key fob's case is broken, you can usually open it and replace the battery if the battery isn't already dead. There are kits online to help, but they typically only provide temporary fixes - it might be better to take it to a technician who will swap out the battery and reprogram the key fob. Alternately, This Web page may be able to find an alternative case at an home improvement store or a locksmith. These cases aren't as expensive as an entirely new key fob.