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Mazda 2 Key Replacement Mazda produces a wide range of cars. The Mazda key is equipped with an embedded transponder chip within the plastic head of the key, which is programmed into your vehicle. Dealers will often make you a duplicate key but you might need to program it. You could also have a locksmith do it for you. Keyless Entry System When you park your car, it's common to get that niggling thought, “have I locked the car?” With keyless entry you don't have to worry about leaving the car unlocked since once you've walked the set distance from the vehicle, it will automatically lock itself. You'll typically need to press the button on your remote key fob in order to activate this feature, however certain systems allow you to activate it by simply walking near the vehicle. The majority of systems work by emitting radio signals the key fob can detect. The key fob sends its own signal back to the car, letting the car's onboard computer know that the user is at the proper distance for the key to unlock the doors. Some systems are two-way, meaning they also relay status information to the driver on tiny screens inside the car, for example the battery level, window up/down status, and diagnostic information. It is essential to go the manuals for each system, as they are all different and have distinct wiring requirements. Before you make any electrical connections, unplug the battery from the vehicle. Finally, be sure to select high-quality battery that is rated for the amount of power needed by the system. The wrong car battery can damage the electronics. It is also essential to store batteries in a safe place which is safe from moisture and heat. Transponder Chip A transponder chips, also known as”chip key” or “chip key,” is an anti-theft feature built into your car's ignition. This is a more secure method to protect your car from theft since it makes sure that only your key can be used to start your vehicle. When you insert a key with the transponder chip inside your ignition, it sends an indication to a tiny antenna ring inside your car's engine. The engine control unit (ECU) which controls the car, will then verify that the coded signal originated from the original keys. If the ECU isn't able to receive this message it will remain unlocked and locked. This is similar to way military planes utilize codes to identify themselves on radar. The transponder chip that is used for cars was developed in this way and has helped in reducing auto crime in the United States. A transponder chip is an incredibly small microchip that is embedded in the head of your car key. It's often referred to as a chip-key, and is utilized by the majority of cars made in the last 15 years. G28 Car Keys of the key comes from the microchip that is embedded in the head of plastic. Transponder keys are more difficult to duplicate than flat metal keys which don't contain any technology. Locksmiths will need to utilize specialized equipment in order to duplicate the transponder key that is already in your vehicle. Remote Key Fob A key fob, also known as a remote, is a small device that opens the doors of your vehicle and, in some cases, starts it remotely. It also comes with a transponder, which is a security chip. Most fobs feature numerous buttons that perform a range of functions from locking your doors, opening your trunk or starting your vehicle. Fobs are typically attached to your keychain. They are available in a variety shapes and sizes. Some older key fobs are programmed by users, but most require an auto dealer or locksmith to program them using special computer program. These programs vary among automobile models, manufacturers, and years. The key fob transmits its unique digital identification code to the computer onboard of the vehicle when it is programmed. The computer stores this code, which makes it impossible to open the car's doors with a different fob. Some of the newer key fobs even lower your car's windows. This is particularly useful if you've got your car in a cramped space. It's also helpful when you need to cool your car down on hot summer days without the need to leave. You can also use a fob in order to activate the panic button on certain cars, which emits a at-spot blare that is sure to deter break-ins. Consumer Reports recommends keeping your key fob near your bed to deter home burglaries. Door Locks Door locks must comply with the requirements of fire and building regulations, along with specific security requirements for industries or customers. These regulations could be focused on accessibility for those with disabilities and safety in the event of an earthquake blast, blast strength, retract deadbolt strength and durability. A door lock cylinder is made of metal tube that houses a bolt, which extends from the cylinder and locks the door. It also engages spring-loaded pins that prevent the cylinder from turning. When a key is inserted into a lock, the notches in the key push the pins to a precise height that matches their positions within the housing of the cylinder. When all the pins are in their proper places, they form an straight line, which is known as shear line, which prevents the cylinder and the bolt from advancing and locking the door. To reset the autolock system, simultaneously press the lock and unlock buttons on the fob of the key for about 60 seconds. This resets the sensor, and allows the doors, lids for fuel-filler and liftgate to automatically lock when the ignition switch is turned to the off position. Go to the Settings section of the Mazda Connect Owner's Manual to change the automatic lock/unlock setting. The warning lights and horns blink to indicate that the automatic lock function is activated.