How to Replace a Lost Car Key
It can be a major hassle to lose your car keys. Calling your local dealer or locksmith is typically the best way to start. To create a replacement key, they will need proof of ownership and the old one.
This is not always the most cost-effective option to travel.
Traditional Keys
Traditional car keys made of steel were once the most popular type of vehicle key. They have grooves that fit into slots in the ignition. The key would then be put into the cylinder for ignition and turned to start the car. If you lose a traditional ignition key, it is less expensive than other types of keys to obtain a replacement.
You can have a classic key made by an automotive locksmith while you are waiting. They'll need to know the make and model of your car along with the year it was made. The locksmith might also require to have proof of ownership to verify that you're legally able to purchase a brand new key.
If you own a more recent vehicle, it's likely to have a transponder keys. They cost more to replace however, they are more safe from theft. The head of a transponder key contains an electronic chip that communicates with your car's computer system to make sure that only the right key is able to start it.

When the car is sold the chips inside transponder keys will be programmed with a code. Some use rolling codes that send a different code every time it is used, making it very difficult for thieves to duplicate the key. lost vehicle keys should always store your transponder keys in a secured location if you own an automobile equipped with one.
Transponder keys last longer than traditional metal ones, but are more expensive to replace in the event of an eventual loss. If you lose a transponder keys, you'll need to contact the dealer to request the replacement. You'll need to supply your VIN (a 17-digit number) which will tell the dealer what vehicle it's compatible with.
You will also need to provide the serial number of your car. This number can be found on a label on the door to the driver's side or a card in your owner's manual. It's important to have these numbers on hand since they can help locate your car in the event that it is lost or stolen.
Transponder Keys
Your key may contain an electronic transponder if the car was built within the last 20 years. These tiny bits of technology are programmed specifically for the specific vehicle, ensuring only you can use it. Your transmission will be locked on your car if it detects the key doesn't match the code. This is to ensure that only the owner is able to start the vehicle.
These keys are ideal for your car because they deter car theft. In the past, thieves of cars could just touch two wires and use them to start your car using an operation called hot wiring. When cars began to use transponder chips, it became more difficult to steal your car as the burglar required the correct key to send the signal to start the vehicle.
If you have a traditional car key and have lost it, you can get a new one cut on the spot by a locksmith local to you. The old key will be deleted from your vehicle's system. If you own a transponder key or a fob, you'll need visit the dealership to replace it. This is because the dealer needs to know your VIN (Vehicle Identification Number) in order to order the correct key for your specific vehicle.
They will need to make sure that the key they buy for you is compatible with your vehicle in order to be capable of starting it up and unlock its doors. To get the replacement key, you'll need to provide proof of ownership such as your registration or title. This type of replacement can be more expensive, but it's worth it when you consider the possibility that your car key was stolen. If you're concerned about the expense, you should check if your warranty or insurance will cover it. If not, you'll have to take your car to the dealer to have it towed and get the key from the manufacturer.
Fob Keys
The most modern kind of car key is designed to function like remotes, allowing drivers to open doors and start engines without needing to insert traditional keys into the ignition. They are also referred to as remote control or keyless entry keys, are typically less expensive to replace than the older traditional versions. They're not impervious to damage however, nor are other consumer electronics. They are also easily lost and stop working when they are moved around in your bag or pocket.
Fobs emit an electronic code that allows the driver to open and start the vehicle. When they are pressed against a sensor inside the car, it reads that code and causes the doors to open and the engine to begin. Some fobs come with additional features like a button to summon the car (similar to the Tesla summon feature).
If you lose your key fob make sure that your keys aren't locked in bags or purses that is locked. If they aren't there, then go through your day to see the places you could have lost the keys. You can also look in your pockets, in any bags you may have or on surfaces such as counters and other surfaces. You might be able to find your keys in the place you left them or briefly put them where you were going to get something.
You can purchase key fobs replacements on the internet, however they need to be programmed to your specific vehicle. Certain key fobs, for instance those used by Audi or Subaru require to be programmed at the dealership. Good news! Roadside assistance companies like AAA can help you with this.
If you do decide to purchase a new key fob, comparison shop. Some retailers will program and cut a fob purchased elsewhere for less than for similar things at the dealer. It is also possible to replace only the outer shell of some key fobs and leave the electronics inside in good working order. Check your auto club membership or car insurance policy to determine if this is covered.
Keys that are chipped Keys
In the past few years, automobiles have become more more advanced in terms of technology. This has led to more sophisticated keys. These keys aren't able to be duplicated by a locksmith. They require a specific machine. It can be more expensive to replace the lost car key using chip.
If you lose your transponder chip key or it is stolen from you, then you'll need to contact the local dealer to obtain an alternative. They can do this because they keep a record of your security information and can match the new chip with your vehicle with no hassle. The process can take a few extra days because the dealer has to purchase the key directly from the manufacturer.
A professional locksmith can create a duplicate of the transponder key. It's more complicated than taking your car to a dealer however, you'll save money in the end. You will need your vehicle's VIN number to request an exact duplicate. This number is available on your insurance policy or the sticker on the driver's door jamb.
You'll also need an original copy of your key to bring to the locksmith. This way the locksmith will be able to match the key cuts. If you are unable to find your old key, you can look in the trunk or other places where it might be hidden. Take a look in your bags and pockets. You never know where you hid your keys or if they fell out of your bag when you were searching for something else.
If you are unable to locate your car keys, then you must immediately begin looking for them. First, you must check to make sure you didn't leave them at home or in the office. Then, carefully review your day to see if you could have misplaced them. After you've checked your bags and emptied your pockets then it's time to apply more sophisticated search techniques.