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How Much Does a Seat Replacement Key Cost? The loss of your car keys can be an extremely stressful experience. Finding a replacement key from the dealer can be expensive too. UK Auto Locksmith has specialised technicians who are knowledgeable about Seat models and are able to help you at a reasonable cost. We've all been through that embarrassing moment where we return to the car to unbuckle the infant's seat only to fail. It's embarrassing and frustrating, but it happens to the best of us. Keys Lost car keys are an everyday occurrence and can be a big hassle. However, getting a new key from a dealer is expensive. UK Auto Locksmiths can offer an affordable alternative and they'll have the latest technology and tools to assist you. In order to allow them to do the job, you'll only need a VIN and proof of ownership. Another thing they'll require is the type of key you require. They can supply remotes, flip keys and even Fobs. They will also be equipped to assist you in the programming of any new keys. Remotes Most Seat drivers keep a spare remote in the house or garage, but when they lose it getting replacement keys from a dealer is expensive and time consuming. This is because most dealers will programme the key using the car's computer which will need to be reset. However, many people buy second-hand keys off the internet that are not programmed to their car. This can be a much cheaper alternative to going to the dealer. But, these key will not start the car because they will not have a transponder chip inside them. You can see the chip (yellow) in this picture below, it is a Dual Inline Package or DIP 18 pin chip. There are also a diode, transistor and resonator, all these parts make up the key's circuit. Immobilisers As car immobilisers became popular in the latter part of the nineties, car thefts began to drop, however thieves are savvy and always searching for ways to bypass security systems. The initial immobilisers were defeated by using a scanner to locate the chip's coding and copying it onto a blank key. However, G28CarKeys has advanced and thieves have had to come up new tricks. Fortunately, the majority immobilisers that we supply and fit are Thatcham Cat 2 approved. This means that they've been tested and certified by the Thatcham Research organisation. This not-for-profit organisation is the grading and certification system for automotive aftermarket alarm and security devices, including car immobilisers. When the Thatcham approved system is activated it will send a signal coded to the Engine Management System (EMS) of the vehicle. This will stop the motor from running without the correct key. If the car is “hot-wired” upon entry and it stops the engine within 30 seconds and make it impossible to start. Of course, just like an electronic device, the immobiliser could have issues and occasionally the battery inside or the key fob may need replacing. The best option is always to hire an expert to do the task, since it will ensure that everything is installed correctly and that it functions. Transponders A transponder is a device that sends back an identification signal when it is interrogated. This helps maintain separation between aircraft and identifies an aircraft to air traffic controllers when it is operating a radar system. The information that the transponder transmits back is different according to the kind of system. Transponders are also employed in satellites and space vehicles to communicate with Earth-based systems like cell phone networks and other communication networks. These devices receive signals at a variety of frequencies, and then retransmit signals on a different frequency, much like the way repeaters function in terrestrial cellular phone networks. Often sophisticated passive transponders can be found on aircraft. They monitor the status of flight and provide navigational information such as the aircraft’s position speed, altitude, and speed. These transponders provide data that air traffic controllers use to manage flight paths, and also ensure security. Many personal keys include transponder chips, in addition to aircraft transponders. These chips do not require batteries and are completely passive. This lets the ECU read the signal from the transponder whenever it is installed in the ignition lock. Most aircrafts have a switch on the flight deck that enables pilots to turn on and off their transponders. They can also choose an “ident” mode that allows the transponder to broadcast its unique squawk codes and helps it stand out in the busy air traffic control screen.