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Mazda 2 Key Replacement Mazda is an automaker that offers a variety of models. The Mazda key has a transponder chip in the plastic head of the key which is programmed into your vehicle. Dealers are often able to make you a duplicate key, however, they may require you to program it. You could also have an expert locksmith do it for you. Keyless Entry System When you park your car, it's common to be faced with the thought, “have I locked the car?” With keyless entry you don't have to worry about leaving the car unlocked because once you've traveled a specified distance away from the vehicle it will lock itself. Usually, you will have press the button on the remote key fob to initiate this function, but certain systems allow you to activate it simply by walking close to the car. The majority of systems operate by emitting radio signals the key fob can recognize. The key fob sends an alert back to the vehicle, informing the computer on board that the user is near enough to the key to open doors. Some systems are two-way meaning they also relay status information to the driver via a smaller screens inside the car, for example battery levels, window up/down status, and diagnostic data. It is important to read the instructions in the manual thoroughly, since each one is different and might have specific wiring requirements. Before you make any electrical connections, you must disconnect the battery from the car. Choose high-quality batteries that have been rated according to the power requirements by the system. Using the wrong battery could cause damage to your car's electronics. It is also essential to store batteries in a space that is safe from heat and moisture. Transponder Chip A transponder chip, also referred to as”chip key” or “chip key,” is an anti-theft feature built into your car's ignition. It is a safer way to guard against car theft since it makes sure that only your key will be able to start your car. When you insert the key with transponder chips in your ignition, it transmits signals from the small antenna ring on the motor in your car. The car's engine control unit (ECU) will verify that the message encoded by the code came from your original key. If the ECU does not receive this message, then it will remain locked and immobilized. This is similar to how military planes use coded messaging to identify themselves on radar. This is the reason why the transponder chip was invented for cars, and it has helped reduce auto theft in the United States. A transponder is an extremely small microchip built into the head part of your car keys. It's also referred to as a chip-key, and is used in a majority of cars made within the last 15 years. The name comes from the microchip electronic that's integrated into the head of your key. Unlike flat metal keys, which don't have any technology in them A transponder key is more difficult to duplicate without the help of a locksmith for cars. A locksmith will have to employ specialized equipment to copy the transponder key that is already in your vehicle. Remote Key Fob A key fob, also known as a remote, is a tiny device that opens your car's doors and in some instances, even starts it remotely. It also has an embedded security chip or transponder. Most fobs feature multiple buttons that serve a range of functions from locking your doors to opening your trunk and starting your vehicle. Fobs typically attach to your keychain and are available in a variety of sizes and shapes. Some older key fobs are programmed by users, but the majority of them require the assistance of a locksmith or a dealer to program them with a specific computer software. These programs vary among car models, brands, and years. The key fob transmits its unique digital identification code to the computer onboard of the car once it is programmed. The computer stores this code, making it impossible to open the car's door with another fob. Some of the newer key fobs can open your car's windows. This is particularly helpful if you've parked your car in a tight area. It's also useful if wish to cool your car during a hot summer day without getting out of it. You can also make use of a fob for activating the panic button in certain cars, which emits a attractive sound that deters break-ins. Consumer Reports recommends keeping your fob close to your bed to prevent home burglaries. Door Locks Door locks must comply with the regulations for fire and building and also specific security requirements of the industry or for customers. These requirements may focus on accessibility for disabled people as well as safety in the case of an earthquake blast, blast strength, retraction deadbolt torque and lock durability. A door lock cylinder is a metal tube that houses a bolt that extends from the cylinder and locks the door. It also connects a number of pins that are spring-loaded to keep the cylinder from turning. When the key is put into a lock, the notches in the key push each of the pins to a precise height that fits their locations within the housing of the cylinder. When all pins are placed in the right places they create what's called a shearline. mazda rx8 key fob prevents the bolt and cylinder from rotating and locking the door. To reset the autolock, press the lock and unlock button on the key fob at the same time for about 60 seconds. This resets the sensor, and allows the doors, lids for fuel-filler and the liftgate to lock automatically when the ignition switch is turned to the off position. The settings for the automatic lock/unlock feature can be changed by consulting the Settings section of the Mazda Connect Owner's Manual. The hazard lights and horn will blink to confirm that the auto lock function has been activated.