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Mazda 2 Key Replacement Mazda is an auto manufacturer with a variety of models. The Mazda key has a an RFID chip inside the head. This chip is programmed to your vehicle. The dealer will typically give you a second key, without the original, however, they might have to program it for you. You can also hire a locksmith to do it. Keyless Entry System When you park your car, it's common to have that thought, “have I locked the car?” With keyless entry it is not necessary to worry about leaving it locked, as once you've traveled a specified distance from the vehicle it will lock itself. Usually, you'll have to push the button on the remote fob to activate this function, but some systems allow you to activate it simply by walking close to the car. Most systems emit radio signals that are detected by the key fob. The key fob sends a signal back to the vehicle, informing the computer on board that the user is close enough to the key to be able to unlock doors. Certain systems are two-way, which means they transmit status information to the driver through a a small screen inside the car, like battery levels, window down/up status, and diagnostic data. It is important to read the instruction guide thoroughly, as every one is different and might have specific wiring requirements. Before making any electrical connections, unplug the battery from the vehicle. Choose high-quality batteries that have been rated according to the power required by the system. A bad car battery can cause damage to the electronics. It's also important to keep batteries in a place that is protected from heat and moisture. Transponder Chip A transponder chip, also known as a “chip key,” is an anti-theft feature that is built into your vehicle's ignition. It is a safer way to prevent car theft, since it guarantees only your key can start your car. When you insert a key that has the transponder chip within your ignition, it transmits the signal to an antenna ring inside the engine of your car. The car's engine control unit (ECU) will confirm that the message encoded by the code came from your original key. If the ECU isn't able to receive this message it will remain unlocked and locked. This is similar to the way military planes use coded messaging to identify themselves on radar. The transponder chip for vehicles was designed in this manner, and has helped reduce criminal activity in the automobile industry in the United States. A transponder chip can be described as a small microchip that's built into the head of your car key. It's sometimes referred as a chip key and it's used by most cars manufactured in the past 15 years. The name is derived from the electronic microchip that's in the head of your key. As opposed to flat metal keys which don't have any technology inside them the transponder key is more difficult to duplicate without the assistance of a locksmith for cars. A locksmith will have to make use of specialized equipment to duplicate an existing transponder key for your vehicle. Remote Key Fob Key fobs are the small remote that unlocks your car or truck doors and, in certain cases it starts from the distance. It also contains a transponder, which acts as an electronic security chip. Most fobs feature numerous buttons that perform a range of functions from locking your doors, opening your trunk, and even remote to start your car. Fobs typically attach to your keychain and come in various shapes and sizes. Some older key fobs may be programmed by the user however, most require locksmith or dealership programming with a special computer program. These programs vary between types, brands and years of cars. When a key is programmed, the fob transmits a unique digital identification code to the car's onboard computer. The computer then stores this code in memory, making it impossible for other fobs in the same vehicle to open your car's doors. Some of the newest key fobs can open your car's windows. This is particularly useful if you've maneuvered your car into a cramped parking spot. This is also useful when you need to cool your car on the hottest day of summer without having to go out. You can also use a fob in order to activate the panic button on certain cars, which emits an at-spot blare that is sure to deter break-ins. It's a good idea to keep your key fob by your bedside to help prevent home break-ins as well according to Consumer Reports. Door Locks Door locks must be in compliance with fire and building regulations and also specific security requirements that are based on industry or customer. These may include accessibility for disabled people and safety in the event of an earthquake blast, blast strength, retract deadbolt strength and durability. A door lock cylinder consists of a tube made of metal that holds bolts. The bolt extends from the cylinder to secure the door. It also engages spring-loaded pins in order to prevent the cylinder from rotating. When keys are inserted into a lock, the notches on the key push the pins to a height that is compatible with their position within the housing of the cylinder. If G28 Car Keys Solutions are in the correct positions, they form what is called a shearline. It stops the bolt and cylinder from rotating and locking the door. To reset the autolock system, simultaneously press the lock and unlock buttons on the fob of the key for approximately 60 minutes. This resets the sensor and allows the doors, lids for fuel-filler and the liftgate to lock automatically when the ignition switch is in the off position. Check out the Settings section in the Mazda Connect Owner's Manual to alter the setting for automatic lock/unlock. The hazard warning lights and horn will blink to confirm that the automatic locking feature has been turned on.