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Mazda 2 Key Replacement Mazda manufactures a variety of cars. The Mazda key is equipped with a transponder in the plastic head. The chip is programmed into your vehicle. The dealer will usually give you another key without the original, but they may need to program it for you. You can also engage locksmiths to program it. Keyless Entry System It is possible to wonder if have locked your car after you park it. With keyless entry, you don't have to be concerned as the vehicle will lock itself once you have walked within a certain distance. It is usually necessary to press the button on your remote key fob to activate this feature, but some systems let you activate it by simply walking near the vehicle. The majority of systems work by emitting radio signals the key fob can recognize. The key fob sends its own signal back to the car, letting the computer in the car know that the user has reached the proper distance for the key to unlock the doors. Certain systems are two-way, meaning they also relay status information to the driver through a an insignificant screen inside the car, like the battery level, window up/down status, and diagnostic data. It is essential to go through the manual of each system, since they are all different and have unique wiring specifications. Before you make any electrical connections, you must disconnect the battery from the car. Use high-quality batteries that are rated according to the power required by the system. Using the wrong type of battery can damage your car's electronics. Additionally, it is important to keep the batteries in a space that is protected from moisture and heat. Transponder Chip A transponder chips, also known as a “chip key,” is an anti-theft device that is built into your car's ignition. This is a more secure way to avoid car theft because it ensures only your key can start your car. When you insert your key with a transponder chip in the ignition, it emits an signal from the tiny antenna ring on the motor of your car. The engine control unit (ECU), which manages the car will then confirm that the signal coded came from the original keys. If the ECU does not receive this message, then it will remain locked and unresponsive. This is similar to the way military planes use coded messages to identify themselves on radar. This is the reason why the transponder chip was invented for vehicles and has reduced the theft of cars in the United States. A transponder chip is a tiny microchip that's embedded into the head of your car key. It's also referred to as a chip-key and is found in the majority of cars built within the last 15 years. The name is derived from the electronic microchip that's in the head of your key. Transponder keys are more difficult to duplicate than flat metal keys which aren't equipped with any technology. A locksmith will employ specialized equipment to duplicate an existing transponder key for your vehicle. Remote Key Fob Key fobs are the small remote that opens your car or truck doors and, in some instances it can be used to start the car from the distance. It also comes with a transponder, which acts as an electronic security chip. Most fobs feature multiple buttons that perform many functions ranging 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 customers, but most require an auto dealer or locksmith to program them using special computer program. The programs vary among types, models and years of automobiles. The key fob transmits its unique digital identification code to the onboard computer of the car once it is programmed. The computer stores the code in memory, making it difficult for other fobs to open the doors of your car. Certain of the more modern key fobs have the ability to open your car's windows. replace mazda key is particularly helpful if you have parked your car in a tight spot. It can also be helpful if you want to cool down your car during a hot day without stepping out of it. You can also utilize a fob to trigger the panic button in certain cars, which emits a alarming sound that frightens away burglaries. Consumer Reports recommends keeping your fob close to your bed to stop home burglaries. Door Locks Door locks must comply with the fire and building codes, along with specific security requirements for industries or customers. These requirements can include accessibility for people with disability, safety during an earthquake blast, blast resistance, retract of deadbolt torque, and security of the lock. A door lock cylinder is a metallic tube that houses a bolt that extends from the cylinder, and then locks the door. It also connects a number of spring-loaded pins that keep the cylinder from turning. When the key is inserted into a lock, the notch in the key force each of the pins to a precise height that matches their positions within the cylinder's housing. When all the pins are in the correct position, they create an uniform line, also known as shear lines, which prevents the cylinder and the bolt from advancing and locking the door. To reset the autolock system, simultaneously hold the lock and unlock buttons on the key fob for approximately 60 minutes. This resets the sensor and permits the doors, fuel-fill lid, and liftgate to lock themselves automatically when the ignition switch has been shut off. The automatic lock/unlock settings can be changed by referring to the Settings section of the Mazda Connect Owner's Manual. The hazard lights and horn will blink to indicate that the automatic lock function is activated.