A Car Seat Replacement Key is a Costly and Time Consuming Process
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Lost or Stolen keys
A key replacement is a costly and time consuming process. In addition to the expense of a new key you could need to have the vehicle tow and your car's computer chip repaired with the new key, which can be quite costly.
One way to save money and time is to avoid losing your keys in the first place. Consider adding a brightly colored reflective piece of your keychain or painting the bow of your key with a color that is noticeable. It's also a good idea to keep a copy of the seat replacement key in a safe place in case you happen to lose the original.
If you locate your key, take a look at the code stamped onto the bow. This information will help you determine whether it is the correct key for the seat you are using.
Transponder Chip Keys
Transponder keys, also referred to as key FOBs or chip keys (fobs which control your key) are among the most widely used types of car key. They've been around for over two decades and are designed to guard against theft by transmitting a coded message to the car when it's inserted into the ignition.
Transponders are microchips embedded in the plastic cover of your car keys. When the key is inserted into a key FOB, or ignition in your car, it sends an unintentional radio signal to the vehicle's Engine Control Unit (ECU). The ECU recognizes a specific digital serial number on the chip and responds accordingly. If the signal is in line the engine will then start.
Transponder chips aren't impervious to theft, but they are a great way of reducing car theft. The idea behind these types of car keys dates back to World War 2 military planes that used codes to differentiate them from aircrafts that were pursuing.
A locksmith can make a duplicate transponder for you when you're locked out and require a replacement. This procedure is more complicated than rekeying an ordinary key, because the chip in the new key needs to match the receiver inside the car's system. This is the reason why obtaining an identical key from a dealer can be more expensive.
Laser Cut Keys
Laser cut car keys are cut with grooves on both sides, unlike mechanically cut keys which can only be turned in one direction. They are more difficult to duplicate and are only used in the lock or ignition from either side. They are also referred to as transponder keys or sidewinders. They offer greater security in the event of theft and are an upgrade from the standard chip key/transponder keys.
To create a Laser Key the locksmith must first be able to decode the cuts from the key fob that is already in place in order to determine the type of blank that needs to be used. The locksmith will then set up the machine that cuts keys to cut the key in line with the original cuts. This requires an equipment for cutting keys that is more sophisticated than the wheel-based duplicaters available in hardware stores.
These keys are more expensive, but they are more secure for your vehicle. This is because a laser key cannot be duplicated by the same machines used to create standard edge-cut keys. This means that it is not possible to practice "key-jumping," where a key for a vehicle is programmed for different vehicles, allowing it to turn the lock or start the engine. In addition, these types of keys are only obtainable through a dealership or a professional locksmith.