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Mazda 2 Key Replacement Mazda manufactures a variety of automobiles. The Mazda key is equipped with a transponder chip in the plastic head of the key which is programmed into your vehicle. The dealer will typically give you another key without the original, but they might have to program it for you. You can also hire locksmiths to do this. Keyless Entry System When you park your car, it's common to have that thought, “have I locked the car?” With keyless entry, you don't have to worry about leaving the car unlocked, because after you've walked a certain distance away from the vehicle it will lock itself. You'll typically need press the button on the remote key fob in order to activate this feature, but certain systems allow you to activate it by simply walking around the vehicle. The majority of systems operate by emitting radio signals that the key fob can detect. The key fob then transmits its own signal back to the car, letting the computer in the car know that the user has reached the right proximity for the key to unlock the doors. Some systems are bi-directional, which means they send status data to the driver via a small screen in the car. This includes battery levels, window status diagnostic data, and much more. It is essential to read the instructions in the manual carefully, as each one is different and may have specific wiring requirements. Also, ensure that you disconnect the car's battery before altering electrical connections. Choose high-quality batteries that have been rated according to the power required by the system. The wrong kind of car battery could damage the electronics. Additionally, it is important to store the batteries in a space which is protected from moisture and heat. Transponder Chip A transponder chip, also referred as a “chip key,” is an anti-theft feature that is integrated into your car's ignition. This is among the most secure methods to protect your car from theft since it guarantees that only your keys will start your vehicle. When you insert the key with a transponder chip inside the ignition, it emits an signal from the tiny antenna ring of your car's motor. Then, the car's engine control unit (ECU) will confirm that the message encoded by the code came from your original key. If the ECU does not receive this message it will remain in a state of immobility and locked. This is similar to the way military planes use codes to identify themselves on radar. This is the reason why the transponder chip was invented for cars and has helped in reducing theft of vehicles in the United States. A transponder is a tiny microchip embedded into the head portion of your car keys. It's also referred to as a chip-key and is used in most cars manufactured in the last 15 years. The name is derived from the microchip electronic that's embedded into the plastic head of your key. In contrast to flat keys, which have no technology inside them the transponder key is more difficult to duplicate without the assistance of an automotive locksmith. Locksmiths use special equipment to duplicate an existing transponder 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 contains a transponder, which acts as a security chip. Most fobs feature numerous buttons that perform various functions, from locking your doors, opening your trunk or to start your car. mazda 2 key not working are typically attached to your keychain. They are available in a variety shapes and sizes. Some older key fobs are able to be programmed by the user, however the majority of them require locksmith or dealership programming using a computer program. The programs are different for different models, makes and years of automobiles. When a key is programmed, the fob transmits its unique digital identification code to the car's onboard computer. The computer stores this code, making it difficult to open the car's doors with another fob. Some of the newest key fobs can lower your car's windows. This is particularly helpful if you have parked your car in a tight space. It can also be helpful if you want to cool down your vehicle during a hot day without stepping out of it. You can also use a fob to activate the panic button on certain cars, which emits an alarming sound that frightens away break-ins. Consumer Reports recommends keeping your fob in your bedroom to deter home burglaries. Door Locks Door locks should meet fire and building regulations as well as specific security requirements that are based on industry or customer. These requirements could focus on accessibility for those with disabilities, safety in the event of an earthquake, blast strength, retraction deadbolt torque and lock durability. A door lock cylinder is made up of a steel tube that holds a bolt. The bolt extends from the cylinder to lock the door. It also engages spring-loaded pins that stop the cylinder from turning. When a key is inserted in the lock, the notches on the key make the pins rise to the correct height for their location within the housing of the cylinder. When all pins are placed in the correct locations they form what's called a shearline. This keeps the bolt and cylinder from rotating, thus locking the door. To reset the autolock system, hold the lock and unlock buttons on the key fob for approximately 60 minutes. This resets the sensor and allows the doors, lids for fuel and liftgate to lock automatically once the ignition switch has been turned off. Go to the Settings section of the Mazda Connect Owner's Manual to alter the setting for automatic lock/unlock. The hazard lights and horn will blink to confirm that the automatic lock feature has been turned on.