How to Repair Car Key Lock Problems
Whether it is the result of a simple buildup of dirt or something more serious, at times keys from your car may be stuck in your car door lock. Luckily, this is typically an easy fix that you can fix at home.
If you are unable to insert your key into the keyhole, it is a clear indication that the lock is stuck. It is possible to fix this by applying the keyhole with lubricant.
1. Lubricate the Keyhole
You can try lubricating the keyhole. You can try using an lubricant spray that is available at many hardware stores. Spray it onto the lock and then push the key in and out several times. This can help unblock the mechanism. If it doesn't, you might have to call a professional to fix it.
Another way to lubricate the lock is to apply powdered graphite, or a graphite spray. This will coat the lock and make it easier to insert and remove. This will also lubricate and clean the pins in the lock which can get clogged with time. You can also try wiggling the mechanism. This will probably take some time, but it can often unlock a car lock. If you're using an external light source or a flashlight from your phone, you'll be able to see the mechanism better. If you feel that you're making progress you can continue to jiggle until the locking and unlocking movements appear effortless.
If the key does not turn, you could have to disassemble the lock and clean the locking mechanism. This isn't a job for a common person but if you're an enthusiast of tinkering, this could be an enjoyable project. You can also purchase an oil specifically designed for locks. This kind of lubricant could be more effective than WD-40 for general use in releasing the mechanism that is stuck or frozen.
You can also use a modified wire hanger in order to gain access to the vehicle lock. This method isn't guaranteed to work, but it could be an option if all the other methods do not work.
If the lock cylinder has broken, it may be difficult to open the door or start the car. This is a serious issue and requires professional repair or replacement. If you have a spare key, you should use this to start the car until you get the broken part replaced. If you don't own an extra key, you can make use of a jigsaw for cutting the broken part of the key.
2. Unlock the Door
It is important to periodically inspect your car door locks and key mechanisms. Cleaning the tumblers of your lock with silicone or graphite sprays will prevent debris from blocking them, causing keys to not turn. You can also try coating your key with powdered graphite to act as temporary lubricant. This allows the key to move around within the lock. It may work if you have a manual lock instead of an electronic lock.
If the key is able to be inserted but it does not turn, there is likely an issue with the lock's cylinder, an issue that must be fixed by a professional locksmith. It is also essential to avoid using forceful entry techniques, since this could cause damage to the lock mechanism and the door.
A long rod of metal can also be used to unlock a car. The rod is then inserted into the lock. This method is suitable for older cars that have mechanical locks. Newer cars are more difficult to break in.
In some cases, you can use a wooden wedge or an air wedge to create space between the door and the window. Then either a screwdriver, or a metal rod can be inserted into the gap to unlock the door. This technique is difficult to master, and it doesn't ensure success, as it depends on your vehicle's specific make.
A lot of these strategies require some improvising and time, so it is important to always have a tool in your vehicle to access in case of an emergency. Roadside assistance services like AAA offer kits that contain a wire hanger and other tools, and can be useful in the event of a need. Local police and security departments also carry slim jims that can be used to unlock vehicles. Check your auto insurance policy as many policies cover roadside assistance or lockout services.
3. Unlock the Ignition
If your car's key doesn't engage in the ignition, this is often due to a simple issue that can easily be resolved. Before you remove the key, first make sure that the vehicle is in Park. To avoid theft the steering wheel locks when the key is removed. Sometimes, people shut off the car in a hurry, but forget to rotate the key cylinder to Park. This can cause the wheel to lock and the key to get stuck in the ignition. If this occurs, grab the wheel and jiggle it back and forth as you turn the key. If it works, you will be in a position to start your car as soon as the key is released.
A foreign object could be hidden inside the key. Lint from your pocket or tape adhesive or even corrosion due to rust could cause the pins inside the ignition to not align correctly. This can cause the key to not turn when it is placed into the lock. This can be fixed by an easy cleaning using compressed air.
You can also grease the lock mechanism by spraying it with a silicone-based spray. This will help remove the grease and dirt that can cause a key to become stuck in an ignition. If the lubricant does not work, you can contact a locksmith to help.
If you've got a brand new mechanical key, but the ignition isn't turning it could be time to consider bumping the cylinder that controls the ignition. This is a straightforward procedure that involves spraying WD-40 onto the key and inserting it in a small amount into the ignition. Then using a powerful screwdriver handle, "bump" or "squeeze" the key cylinder. This will usually release two or three misaligned wafers in the cylinder that are keeping the here ignition from turning. If this doesn't work, you may need to visit a mechanic or car servicing station and purchase a new ignition cylinder.
4. Replace the Key
There may be no alternative but to call locksmiths to fix the lock. However, there are some things you can do before calling someone else.
If the key itself isn't working, it could be a sign that the lock cylinder is damaged and requires replacement. You can replace the cylinder yourself, or ask a locksmith to replace it for you. The cost will differ based on the make and model, as well whether you need a transponder or traditional key.
It's possible that your key is worn out. In this instance you might be able to oil the keyhole, but it is likely that your key will need replacement. If you own a traditional key, you can have one made at your local hardware store for about $10, but the transponder or smart keys might require the assistance of a locksmith.
The key may become bent, which can cause the lock to jam if you try to use the key. To fix this, you can try to straighten the key as much as you can using needle-nose pliers, but be careful not to apply excessive pressure or force, as this could cause damage to the mechanism of the lock. You could also try using WD-40 to grease and unblock the lock.
It's also worth noting that, in the event that your keyfob's not working it could be time to replace the batteries. You can buy batteries online or at the majority of auto shops. However, it's important to review your vehicle's warranty terms to see if they cover this.
If you are unable to start your car, and you think that the ignition switch might be stuck, try to find the VIN (vehicle ID number), which you'll find on the dashboard of the driver. This will help in finding the appropriate people to help solve your issue. Alternatively, you can always call your dealer or visit the manufacturer's website to learn more about your car's specific problems.