How to Replace a Lost Car Key
Losing your car keys could be a major hassle. Calling your local dealer or locksmith is typically the best option to start. To make a new key, they'll need proof of ownership along with the original key.
However, this is not always the most cost-effective way to go.
Traditional Keys
Traditional car keys made of steel were once the most common kind of car key. They have grooves on both sides that can be inserted into a set of slots inside the ignition. The key is then put into the ignition and turned to get your car started. It is cheaper to replace a traditional key compared to other kinds.
You can call an auto locksmith to have a brand new traditional key made while you are waiting. The locksmith will need the model, make and year of your vehicle. The locksmith might also require proof of ownership to verify your rights to purchase keys.
If you have a more recent vehicle, it's likely to have a transponder keys. They're more expensive to replace however, they are more safe from theft. The head of the transponder key has an electronic chip which communicates with the computer system of your car to make sure that it can only be started by the right key.
The chips inside modern transponder keys are generally programmed with a specific code when the car is sold for the first time. Some use rolling codes, that send an additional code each time the key is used. This makes it harder for thieves to copy the key. It is recommended to keep your transponder keys in a secured place if you own a modern vehicle with one.

Transponder keys last longer than standard metal ones, but are more costly to replace in the event of an eventual loss. If you lose a transponder key, you'll need to contact the dealership to obtain a new one. You'll need to provide your VIN 17-digit code that informs the dealer of the vehicle it is compatible with.
You will also need to provide the serial number of your car. The serial number is usually found on a sticker that is placed on the driver's door or the owner's manual. It's important to have these numbers handy since they can help locate your car if it gets stolen or lost.
Transponder Keys
If you own a vehicle built in the last 20 years or so it is likely that your car's key has transponder chips. These tiny bits of technology are programmed to your specific car, so that only its owner can start it. To make sure that the correct key is used to start your car, your transmission will lock in the event that it finds that the code in your key is not compatible with its code.
These keys are excellent for your car because they deter car theft. Hot wiring is a method that thieves have employed to get cars started. Once cars began using transponder chips making it more difficult to steal a car because the thief required the correct key in order to send the signal to start the vehicle.
If you have traditional car keys and lose it, you can get a new one cut right on the spot by a locksmith in your area. The old key will be removed from the system of your vehicle. If you have a transponder key or a fob, you'll have to visit the dealership to replace it. The dealer will require your VIN (Vehicle ID Number) to purchase the correct key for your vehicle.
This is because they will need to ensure that the key that they're ordering for you is paired with your vehicle in order to start it and unlock your doors. To receive the replacement key, you will need to show proof of ownership, such as your registration or title. This could make this kind of replacement slightly more expensive however in the long run it is worth it when you consider that your car's key could be stolen. If you're worried about the cost, check whether your warranty or insurance will cover the cost. If not then you'll need to bring your vehicle to the dealer to have it towed, and ordered from the manufacturer.
Fob Keys
The most recent type of car key is designed to function like an electronic remote, allowing motorists to open doors and start engines without needing to insert traditional keys into the ignition. These keys are also referred to as keyless entry keys or remote control keys. They are usually less expensive to replace than older, more traditional models. They're not impervious to damage however, nor are other consumer electronics. They are also easy to lose and can stop working when they are moved around in your bag or pocket.
Fobs emit a code electronic that allows drivers to unlock and start their car. When the fob is placed on the car's sensor, the code is read and the doors are opened and the engine begins. Certain fobs come with additional features, such as a button that summons the car (similar to the Tesla summon feature).
If you lose your key fob, the first thing to do is ensure that your keys aren't in an unlocked purse or bag. If they're not there, go through your day and consider the places you might have lost the keys. You can also check your pockets, bags you may have had or on surfaces such as counters and other surfaces. You might be able to locate your keys in a spot where you dropped them or put them down briefly when you went to pick something up.
You can buy replacement keys on the internet, however they must be programmed for your vehicle. Certain key fobs, for instance those used by Audi or Subaru must be programmed by a dealership. The good news is that roadside assistance organizations such as AAA can often help in this regard, too.
If you do decide to purchase a new key fob, comparison shop. Some retailers will cut and program a fob bought elsewhere at a lower cost than they charge to perform the same job at the dealer. Certain key fobs can be replaced by replacing only the outer shell leaving the electronics in good working condition. Examine your car insurance policy or auto club membership to determine whether you have insurance that covers this.
Keys with chips Keys
As time has passed, cars have become increasingly technologically advanced. This has led to more sophisticated keys. lost vehicle key cannot be duplicated by a locksmith. They require a specialized machine. It is more expensive to replace keys that are lost in the car with a chip.
If you lose your transponder chip or it is stolen from you, you'll need to contact the local dealer to obtain an alternative. This is because they keep an archive of your security information and can match the new chip to your car without much hassle. The process may take a few additional days as the dealer needs to order the key directly from the manufacturer.
A professional locksmith can make a duplicate of your transponder keys. It is a little more difficult than taking your vehicle to a dealer, but you will save a lot of cash in the end. To obtain an additional key, you will require the VIN number of your vehicle. You can find this number on your insurance policy or the sticker on the door jamb for the driver.
You'll also require an original copy of your old key to bring to the locksmith. The locksmith can then match the key cuts. If you can't locate your old key, then look in the trunk or other places where it might be hidden. Examine your bags and pockets. You don't know where you hid your keys or if they fell out of your bag when you were searching for something else.
It is imperative to immediately start searching for your car keys if you are unable to find them. First, you must check to make sure that you didn't leave them at home or at the office. Then, take a careful look through your day to determine whether you've lost them. After you've cleaned all of your pockets and inspected all of your bags, it is time to begin using more advanced search methods.