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Mazda 2 Key Replacement Mazda is an automobile manufacturer that offers a variety of models. The Mazda key is equipped with a transponder chip inside the plastic head of the key which is programmed into your vehicle. The dealer will typically give you a new key that is not the original, but they may need to program it for you. You can also have a locksmith program it for you. Keyless Entry System When you park your car, it's normal to be faced with the thought, “have I locked the car?” With keyless entry, you don't have to worry about leaving it unlocked, because after you've walked a certain distance away from the vehicle, it will automatically lock itself. Typically, you'll need press the button on the remote key fob in order to activate this function, but certain systems let you activate it simply by walking in the vicinity of the car. Most systems emit radio signals that are able to be detected by the key fob. The key fob transmits signals back to the vehicle, letting the onboard computer that the user is close enough to the key to allow doors to be opened. Some systems are two-way, meaning they also transmit status information to the driver via a a small screen inside the car, like the battery level, window up/down status, and diagnostic data. It is important to read through the manual for each system as they're all unique and have different wiring specifications. Before making any electrical connections, unplug the battery from the car. Be sure to use high-quality batteries that have been tested for the amount of power required by the system. The wrong car battery can cause damage to the electronic components. It's also important to store batteries in a safe place which is safe from moisture and heat. Transponder Chip A transponder is also known as”chip-key,” or “chip-key,” is a feature that helps prevent theft from your car's ignition. This is a more secure way to guard against car theft, since it guarantees only your key can start your car. When you insert a car key with the transponder chip into your ignition, it transmits a signal to a small antenna ring in your car's engine. The engine control unit (ECU) which controls the car will then confirm that this coded signal came from the original keys. If the ECU does not receive this message, it will remain immobilized and locked. This is similar to the way military planes use coded messages to identify themselves on radar. The transponder chip that is used for cars was designed 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 also known as a chip-key and found in the majority of cars built within the last 15 years. The name derives from the microchip electronic that's built into the plastic head of your key. Transponder keys are more difficult to duplicate than flat metal keys which don't contain any technology. Locksmiths use special equipment to duplicate an existing transponder key for your vehicle. Remote Key Fob A key fob, or remote, is a tiny device that opens the doors of your car and in some instances, even starts it remotely. It also has transponders, which are a security chip. The majority of fobs have multiple buttons that serve a range of functions from locking your doors to opening your trunk or starting your vehicle. Fobs are typically attached to your keychain. They are available in a variety of shapes and sizes. Certain older key fobs can be programmed by customers, but the majority require the assistance of a locksmith or a dealer to program them using a specific computer software. The programs vary among models, makes and years of automobiles. When a key is programmed, the fob transmits its own unique digital identity code to the car's onboard computer. The computer stores this code, which makes it impossible to unlock the car's door using a different fob. Some of the latest key fobs are able to open your car's windows. This is especially handy when you've pushed your car into a tight parking space. It's also useful if want to cool down your vehicle during a hot summer day without having to leave it. You can also make use of a fob for activating the panic button on certain cars, which emits an attention-grabbing blare that scares away break-ins. Consumer Reports recommends keeping your key fob near your bed to deter home burglaries. Door Locks Door locks must meet fire and building regulations in addition to specific security requirements that are based on industry or customer. new mazda key may focus on accessibility for those with disabilities, safety in the event of an earthquake blast, blast strength, retract deadbolt torque and lock durability. A door lock cylinder is a metal tube that holds a bolt, which extends from the cylinder and secures the door. It also engages spring-loaded pins that prevent the cylinder from rotating. When a key is inserted into the lock, the notch on the key push the pins upwards to the height that is required for their location within the housing of the cylinder. When all the pins are in their proper places, they form an straight line, which is known as a shear line, that prevents the cylinder from rotating and also stops the bolt from moving and locking the door. To reset the autolock, hold the lock button and unlock button on the key fob at the same time for approximately 60 minutes. This resets the sensor, and allows the doors, fuel-filler lid and liftgate to automatically lock when the ignition switch is turned to the off position. Refer to the Settings section of the Mazda Connect Owner's Manual to modify the automatic lock/unlock settings. The warning lights and horns blink to indicate that the automatic lock feature is in operation.