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Mazda 2 Key Replacement Mazda is an automobile manufacturer with a diverse range of models. The Mazda key has a transponder embedded in the plastic head of the key, which is programmed into your vehicle. The dealer will usually give you a second key, without 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 not uncommon 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 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 feature, however some systems allow you to activate it simply by walking around the car. Most systems emit radio signals that are able to be detected by the key fob. The key fob then transmits its own signal back to the car, signalling the computer in the car know that the user is at the proper distance for the key to open the doors. Some systems are bi-directional, which means they also transmit status information to the driver through a small display in the car. This includes windows' status, battery levels, diagnostic data, and much more. It is important to read the instructions in the manual carefully, as each one is different and may require a different wiring configuration. Before you make any electrical connections, you must disconnect the battery from the vehicle. Use high-quality batteries that are rated in accordance with the power needed by the system. The wrong car battery can cause damage to the electronics. It's also essential to store batteries in a space that is free of heat and moisture. Transponder Chip A transponder, also known as a “chip-key,” is a feature that helps prevent theft from the ignition of your car. It is a safer way to guard against car theft because it ensures only your key can be used to start your car. When you insert a key with the transponder chip into your ignition, it sends the signal to an antenna ring inside the engine of your car. The engine control unit (ECU) that controls the car, will then verify that the coded signal originated from the original keys. If the ECU does not receive this message, then it remains locked and unresponsive. This is similar to how military planes utilize coded messages to identify themselves on radar. This is how the transponder chip was created for vehicles and has helped reduce auto theft in the United States. visit my home page is an incredibly small microchip that is embedded in the head of your car key. It's also referred to as a chip-key, and is utilized in all cars that have been manufactured within the last 15 years. The name of the key is derived from the microchip embedded in the head made of plastic. Unlike flat metal keys, which do not have any technology inside them the transponder key is more difficult to duplicate without the help of an automotive locksmith. A locksmith will use specialized equipment to copy an existing transponder key for your vehicle. Remote Key Fob A key fob is the small remote that opens the doors to your vehicle or truck and, in certain cases it will start from an extended distance. It also has a transponder, which acts as an electronic security chip. The majority of fobs come with multiple buttons which perform a variety that range from locking your doors and opening your trunk, to remote starting your car. They are usually attached to your keychain and come in several shapes and sizes. Certain older key fobs can be programmed by the user however, most require dealership or locksmith programming with a special computer program. These programs vary among car models, makes and years. The key fob transmits its unique digital identification code to the onboard computer of the vehicle when it is programmed. The computer then stores the code in memory, making it difficult for other fobs in the same vehicle to open the doors of your car. Certain of the more modern key fobs have the ability to roll down your car windows. This is particularly useful if you have parked your car in a tight spot. It's also helpful if you need to cool your vehicle down on an extremely hot day without having to go out. You can use a key fob to activate a panic button on certain cars. The button will make blaring sounds that frighten burglars away. Consumer Reports recommends keeping your fob near your bed to prevent home burglaries. Door Locks Door locks should meet building and fire regulations, in addition to customer-specific or industry-specific security requirements. These regulations could be focused on accessibility for disabled people as well as safety in the case of an earthquake blast strength, retraction deadbolt torque, and lock durability. A door lock cylinder is composed of a metal tube which holds an anchor bolt. The bolt extends from the cylinder to secure the door. It also connects a number of spring-loaded pins that keep the cylinder from turning. When keys are inserted into a lock, the notches in the key force each of the pins to an exact height that matches their positions within the cylinder's housing. If all pins are in the right places they form what's called a shearline. This prevents the cylinder and bolt from rotating, thereby locking the door. To reset the autolock system, simultaneously press the lock and unlock buttons on the fob of the key for about 60 seconds. This resets the sensor, and allows the doors, lids for fuel-filler and liftgate to automatically lock when the ignition switch is in the off position. Go to the Settings section of the Mazda Connect Owner's Manual to change the automatic lock/unlock setting. The hazard warning light and horn will flash to confirm that the automatic locking function has been turned on.