A Car Seat Replacement Key is a Costly and Time Consuming Process
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Keys that have been stolen or lost are
A key replacement can be a costly and time-consuming process. In addition to the cost of a new key you may need to have the vehicle towable and your car's computer chip replaced with the new key, which could be quite costly.
Avoiding the loss of your keys is an excellent method of saving time and money. Consider placing seat key cover colored or reflective piece of your keychain or painting the bow of your key in a color that makes it stand out. It's also a good idea to keep an exact copy of your seat replacement keys somewhere safe, just in case you should lose the original.
If you do find your key lost attempt to identify it by looking at the number of characters stamped on the bow of the key. This will help determine if it's the correct key for your particular seat.
Transponder Chip Keys
Transponder keys, also referred to as chip keys or key FOBs (fobs that control your keys), are one of the most widely used kinds of car keys. They've been in use for over 20 years and are designed to stop theft by sending a coded message once you insert them into your car's ignition.
Transponders are microchips embedded in the plastic cover of your car keys. When the key is fitted into a key FOB, or the ignition of an automobile, it sends an extremely low-level radio signal (ECU) to the vehicle. The ECU detects a unique digital serial number on the chip and responds in a manner that is consistent with the serial number. If the signal matches, then the engine will be started.
Although transponder chips aren't foolproof but they're a great method to decrease the number of auto thefts. The concept behind these types of keys for cars is actually quite old-fashioned and dates back to World War 2 era military aircrafts that utilized coded messaging to differentiate them from enemy planes.
If you're locked out and require the replacement key, a locksmith could easily create a duplicate transponder keys for you. This process is a little more complex than rekeying an ordinary key, but the chip in your new key needs to match with the car's receiver system. This is why getting a duplicate transponder key from a dealer will typically be more expensive.
Keys Laser Cut Keys
Unlike the standard mechanical cut keys that only allow the key to rotate in only one direction, laser cut car keys have grooves that are carved on both sides. They are more difficult to duplicate and are only used in the lock or ignition from either side. Also referred to as sidewinder keys, these are a step up from the transponder key/chip keys that are standard and offer greater security in the event of a theft.
To create a laser key, the locksmith first needs to recognize the cuts from the key fob that is already in place in order to determine the type of blank to be used. Then, he must set up the key cutting machine to cut the key in accordance with the original cuts. This requires a much more sophisticated key cutting machine than traditional wheel-based duplicators available in hardware stores.
These keys are more expensive, however they are more secure for your car. Laser keys are not duplicated using the same equipment that make the regular edge-cut keys. This prevents the practice of "key jumping," where a key is programmed to work on various vehicles and allows it to turn the lock and even start the engine. Additionally, these kinds of keys are only obtainable through a dealership or a professional locksmith.