seat leon car key battery is a Costly and Time Consuming Process
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Keys that were stolen or lost are not found
Key replacement is an expensive and time-consuming process. In addition to the cost of a new key, you could need to have the vehicle tow and the computer chip of your car repaired with the new key, which could be very costly.
Avoiding the loss of your keys is an excellent method of saving time and money. Consider adding a brightly colored reflective piece of your keychain or painting the bow of your keys a color that is noticeable. Keep a spare keys for your seat in a safe spot, just to be sure.
If you spot your key, examine the code that is stamped on the bow. This information can help you determine if the key is the right key to fit in your seat.
Transponder Chip Keys
The transponder key, also known as chip keys or key FOB (fob that controls your key), is one of the more common types of keys for cars. They've been around over 20 years and are designed to prevent theft by sending a coded message when they are inserted into the ignition of your car.
Transponders are actually microchip embedded in the plastic cover of your car key. When the key is inserted into a key FOB, or ignition in your car, it sends a low-level radio signal the vehicle's Engine Control Unit (ECU). The ECU recognizes a unique digital serial number on the chip, and responds accordingly. If the signal matches, then the engine will begin to run.
While transponder chips aren't foolproof however, they're an effective way to prevent auto theft. The concept behind these kinds of car keys dates back to World War 2 military planes, which used coded messages to distinguish them from aircrafts that were pursuing.
A locksmith can create a duplicate transponder for you in the event that you're locked out and require a replacement. This process is more complex than rekeying a standard key, as the chip inside the new key needs to match the receiver of the car's system. This is why getting the same transponder key again from a dealer will typically be more expensive.
Keys Laser Cut Keys
Car keys cut with lasers are designed with grooves on both sides, in contrast to mechanically cut keys which can only be turned in one direction. They are more difficult to duplicate and can only be placed in the lock or ignition from either side. They are also referred to sidewinder or transponder keys. They provide more security in the case of theft and are an upgrade over the basic chip key/transponder keys.
To make a laser key the locksmith has to first analyse the cuts made on the existing key fob in order to determine what kind of blank is required to be used. Then, they must set up the key cutting machine to cut the key according to the original cuts. This requires a higher-end key cutting machine than traditional wheel-based duplicators available in hardware stores.
These keys are more expensive, but they are more secure for your vehicle. This is due to the fact that the laser key cannot be duplicated using the same equipment that is used to create regular edge-cut keys. This prevents the practice of "key jumping," where a key is programmed to work on different vehicles and allows it to turn the lock and even start the engine. Additionally, these kinds of keys are only obtainable by a dealer or a professional locksmith.