How to Replace a Lost Car Key
Losing your car keys can be a major trouble. Usually, the best place to start is by calling your local locksmith or dealer. They will need to see proof of ownership and the key from before in order to create a new key.
However, this isn't always the most cost-effective method to take.
Traditional Keys
Traditional metal car keys were once the most popular type of key for vehicles. They have grooves on either side that can be inserted into a set of slots inside the ignition. The key is then placed into the ignition and turned to get your car started. It is cheaper to replace a traditional key compared to other kinds.
You can contact an automotive locksmith to have a new traditional key made while you are waiting. The locksmith will need the year, model, and make of your vehicle. The locksmith might also require to see proof of ownership to verify that you are legally able to purchase a brand new key.
If you have a more recent vehicle, you probably have a transponder key. They're a bit more costly to replace than traditional keys, but they're also more secure against theft. The head of a transponder keys contains an electronic chip that communicates with your car's computer system to make sure that only the correct key can be used to start the car.
The chips inside modern transponder keys are generally programmed with a particular code when the car is sold for the first time. Some of them employ "rolling codes" that transmit a different code every time it's used, making it difficult for thieves to duplicate them. You should always store your transponder keys in a secured place if you have an advanced vehicle equipped with.
Transponder keys last longer than conventional metal keys, however they are more expensive to replace in the case of an eventual loss. You'll have to contact your dealer for a replacement transponder key if you lose one. You'll need to provide your VIN which is a 17-digit number that tells the dealer which vehicle it's compatible with.
You'll also need to provide your car's serial number. The serial number is usually found on a sticker that is placed on the door of the driver or on the owner's manual. It is essential to have these numbers handy since they can help find your car if it gets stolen or lost.
Transponder Keys
If you own a car built in the last 20 years or so it is likely that your key has a transponder chip. These tiny bits of technology are programmed specifically for your specific car, so only you are able to start it. Your transmission will be locked on your vehicle if it senses the key isn't matching the code. This is to ensure that only the owner is able to start the vehicle.
These keys are an excellent feature for your car because they discourage car theft. Hot wiring is a technique that thieves have employed to start vehicles. However, when cars began with transponder chips, it became much more difficult to steal them because the person who steals them must possess the correct key to transmit the signal required to start your car.
If you've got traditional car keys and lose it, you can get a new one cut on the spot by a local locksmith. The old key will be removed from your vehicle's system. On the other the other hand, if your car has an electronic transponder or fob key, you'll need to go to the dealer to have it replaced. The dealer will require your VIN (Vehicle ID Number) to get the correct key for your vehicle.
This is because they will have to make sure that the key they're requesting for you is compatible with your specific vehicle in order to start it and open your doors. To obtain the replacement key, you'll need to show proof of ownership, such as your registration or title. This can make this type of replacement a bit more expensive however in the long run it's worth it when you consider that your car's key could have been stolen. If you are concerned about the cost of replacing your car key, make sure to see if it is covered by your warranty or car insurance. If not it is likely that you will need to bring your vehicle to the dealership in order to have it towed there and then purchase it from the manufacturer.
Fob Keys
The most recent kind of car key is designed to function as an electronic remote, allowing motorists to open doors and start engines without having to insert traditional keys into the ignition. These keys, also known as keyless entry or remote control keys, are generally less expensive to replace than the old traditional versions. They are not indestructible however, neither are other electronic devices used by consumers. They're also easy to lose and can stop working over time as they get moved around in your pocket or purse.
Fobs emit an electronic code that enables the driver to unlock and start the car. When tapped against a sensor inside the car, it reads that code and enables the doors to open and the engine to begin. Some fobs come with additional features like an option to summon the car (similar to the Tesla summon feature).
If you have lost a key fob, the initial thing to do is ensure that your keys are not in the locked compartment of your purse or bag. If they aren't there and you don't have them, then look through your daily routine to determine where you might have lost the keys. Look in your pockets, in the bags that you had with you, and also on countertops or other surfaces. You may be able to locate your keys in the spot that you dropped them in or placed them on the floor briefly when you were attempting to pick something up.
You can buy replacement key fobs on the internet, but they must be programmed to work with your particular vehicle. Certain key fobs, such as those used by Audi or Subaru must be programmed by a dealership. The good news is that roadside assistance companies such as AAA can assist 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 money than they would charge if they did similar things at the dealer. Certain key fobs may be replaced with just the outer shell and leave the electronics in good working order. Check your auto club membership or car insurance policy to determine if this is covered.
Chipped Keys
In the past few years, automobiles have become increasingly advanced in terms of technology. This has led to more sophisticated keys. These newer keys cannot be duplicated by locksmiths. They require a specific machine. It can be more expensive to replace a lost car key with chip.
You'll need to call the local dealership in the event that you lose or get it stolen. This is because they keep a record of security information in their system and can pair the new chip to your vehicle without much hassle. The process could take a few days however, as the dealer will need to purchase the key from the manufacturer and it will likely take some time to get it.
A professional locksmith can make a duplicate of the transponder key. It's a bit more complicated than taking your car to a dealership however you'll save money in the end. To obtain a duplicate key, you'll require the VIN number of your vehicle. You can find this number on your insurance policy or the sticker inside the driver's door jamb.
You will also need an exact copy of your old key that you can bring to the locksmith. This way, the locksmith can match the cuts made by the key. If you can't locate the key you used to have Try searching the trunk or other areas. You can also look in your pockets and bags. You never know where you left your keys, or when they were taken out of your bag while you were looking for something else.

If you are unable to locate your car keys, then you must immediately begin looking for them. First, make sure that you don't have keys at home or in the office. Then, carefully review your entire day to determine whether you've lost them. After you've checked your bags and cleaned out your pockets then it's time to apply advanced search techniques.