How to Rekey a Car

Are you looking to upgrade the security of your car’s locks? Rekeying is a great and cost-effective way to improve the security of any lock without replacing them. But how do you go about rekeying a car’s locks?

How to Rekey a Car

In this post, we’ll walk you through all the steps necessary for how to rekey a car so that you can keep your vehicle safe and secure. Whether you’re an experienced DIYer or are just starting out with lock maintenance, by following our guide below, we guarantee that anyone can successfully change their keys in no time!

Tools and Materials You Will Need to Rekey a Car

Before you begin the rekeying process, make sure to stock up on these important tools and materials:

  1. Locksmith’s kit
  2. Drill with a small bit
  3. New lock cylinder (or replacement pins)
  4. Key blank for your new lock
  5. Hammer and punch
  6. Flashlight or lamp

Step-by-Step Guidelines on How to Rekey a Car

Step 1: Remove the Old Lock Cylinder

The first step to rekeying your car is to take out the old lock cylinder. This can usually be done by inserting a small flathead screwdriver into the keyhole and unloosing two screws or clips that hold it in place, or by using a tool from your locksmith’s kit. Once you’ve removed the cylinder, take note of its size and shape so that you can purchase the correct replacement.

Step 2: Replace the Lock Cylinder

After you’ve taken out the old lock cylinder, it’s time to install your new one. Depending on your car model, there may be a few screws or pins securing the new cylinder into the door handle. Be sure to use the flashlight or lamp to get a good view of what you’re doing and to make sure everything is lined up correctly.

Step 3: Install New Lock Pins

Next, it’s time for the lock pins. This step might require some patience but with practice, you’ll get the hang of it. Using a small drill bit, carefully drill into the holes in the new lock cylinder and insert the new lock pins. Make sure to refer to your locksmith’s kit for what size bit you should be using.

Using a Small Drill Bit

Step 4: Cut Your New Key

Once all of your pins are in place, it’s time to cut a new key. Again using your locksmith’s kit, you can use the special key-cutting tool to match the pins and create a new key for your car. Make sure to double-check that all the cuts are correct before moving on. This is a crucial step to make sure your new key fits correctly.

Step 5: Test Your New Key

Finally, test out your new key. Insert it into each of the different locks in your car and make sure that it works. If you’ve followed all of the steps above, you should have a fully functioning key that will securely lock and unlock your car.

That’s it! You now know how to rekey a car, which means you can keep your vehicle safe and secure without having to worry about anyone else being able to get in. With a bit of practice, you’ll quickly become an expert at this task. And if anything goes wrong during the process, don’t hesitate to call a professional locksmith for help. Good luck!

Additional Tips and Tricks to Rekey a Car

1. Make sure to use the correct type of key for your vehicle. Different makes and models require different types of keys, so be sure to check with your car’s manufacturer before you order a new one.

2. Have backup tools ready in case things don’t go as planned. You may need a pair of pliers, screwdrivers, or other tools to help get the job done.

3. If you are having trouble rekeying your car, it may be necessary to take it to an automotive locksmith or dealership for assistance. A professional can quickly and accurately rekey your vehicle without any hassle.

4. It’s also a good idea to keep spare keys on hand in case you ever need to rekey your car in a bind. This way, you can get back on the road quickly without having to worry about making an appointment or waiting for a locksmith.

5. Always keep your keys and any copies of them secure. Make sure they are not left in plain sight where anyone could easily access them. Consider investing in a lockbox or safe to store any spare keys you may have.

Use the Correct Type of Key for Your Vehicle

6. Keep track of your car’s key code, which can be found on the original key or elsewhere in the vehicle. This will come in handy if you ever need to get a new copy of the key made.

7. Rekeying your car doesn’t just increase security, it also adds convenience by allowing you to have only one key for multiple doors and locks. This is especially useful if you use a key fob to access your car’s remote features.

8. Lastly, don’t forget to test your newly rekeyed car doors and locks before you hit the road. Make sure everything works properly so you can drive with peace of mind.

By following these tips and tricks, you can easily and quickly rekey a car yourself or have it done professionally depending on your needs. With a little bit of care and attention, you can keep your vehicle secure and well-maintained. So don’t wait any longer – get out there and start rekeying! Good luck!

Precautions Need to Follow for Rekeying a Car

1. Make sure you have all the correct tools to properly rekey your vehicle. This includes screwdrivers, wrenches, and the appropriate key blanks for your car.

2. Before you begin rekeying your vehicle, it is important to understand the existing lock-cylinder technology that is used in your car. This will help you know which type of locks should be replaced or adjusted.

3. Make sure that all wiring connected to the old lock mechanism is disconnected and properly secured.

4. If you are not confident in your ability to rekey the car, it is best to leave the job to a professional locksmith who can do it properly. They will know which tools and techniques are required for the job.

5. When replacing the cylinder and tumblers of your vehicle’s lock, make sure that the new parts are compatible with the car.

6. Take your time when rekeying your vehicle, making sure to double-check all connections and security features before you start the engine.

7. After completing the rekey process, be sure to test it out by locking and unlocking your car doors to make sure everything is working correctly.

8. Finally, make sure to store your new car keys in a safe place where they cannot be stolen or misused.

Your New Car Keys in a Safe Place

By following these precautions, you can ensure that your vehicle’s lock mechanism will remain secure and functional for many years to come. A properly rekeyed car is an invaluable asset that provides its owner with peace of mind.

Frequently Asked Questions

What is Car Rekeying?

Car rekeying is the process of replacing an existing car key with a new one. This can be done for a variety of reasons, such as when you have lost your original key or if you want to upgrade the security of your vehicle by changing the locks. It involves creating a new set of keys that will work with the existing car lock and ignition.

Do I Need a Professional to Rekey My Car?

Yes, it is highly recommended that you have a professional locksmith help you rekey your car as they are trained in the process and can help ensure that all components of the rekeying process are done correctly. Rekeying a car can be complicated so it is best to have an experienced locksmith handle the process.

What Do I Need to Rekey My Car?

You will need the original key, a new key blank that matches your car, and a rekeying kit specifically designed for your make and model of car. You may also need access to special tools and equipment, which can be provided by the locksmith.

How Long Does Rekeying a Car Take?

The amount of time it takes to rekey a car varies depending on the make and model of your vehicle, as well as the complexity of the unlocking system. However, most lock-rekeying jobs can be completed within an hour.

 Takes to Rekey a Car Varies

Is Rekeying a Car Expensive?

Rekeying a car is not overly expensive, with the cost typically ranging between $30 and $100. However, this can vary depending on the make and model of your vehicle as well as any additional services or supplies that may be needed during the rekeying process.


Knowing how to rekey a car can be a valuable skill, whether you are looking to secure your vehicle or if you have lost or misplaced the key. While it is always best to hire a professional locksmith for this job, understanding the basics of how rekeying works can help you make an informed decision. If you need assistance with rekeying a car, contact your local locksmith today!

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