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  2. Pin tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Pin_tumbler_lock

    Each tenant is given a key that only unlocks their own door, called the change key, but the second key is the master key, which unlocks all the doors, and is usually kept by the building manager, so they can enter any room in the building. In a master-keyed lock, some or all of the pin chambers in the lock have three pins in them instead of two.

  3. Smart key - Wikipedia

    en.wikipedia.org/wiki/Smart_key

    Vehicles with a smart-key system can disengage the immobilizer and activate the ignition without inserting a key in the ignition, provided the driver has the key inside the car. On most vehicles, this is done by pressing a starter button or twisting an ignition switch .

  4. Ignition switch - Wikipedia

    en.wikipedia.org/wiki/Ignition_switch

    The ignition locking system may be sometimes bypassed by disconnecting the wiring to the switch and manipulating it directly; this is known as hotwiring. Ignition switches are generally a simple repair that can be completed without much knowledge. They are mainly vehicle specific and plug and play.

  5. Motorcycle components - Wikipedia

    en.wikipedia.org/wiki/Motorcycle_components

    An ignition switch, starter switch or start switch is a Key switch in the control system of a motor vehicle that activates the main electrical systems for the vehicle.In vehicles powered by internal combustion engines, the switch provides power to the starter solenoid and the ignition system components (including the engine control unit and ...

  6. Car key - Wikipedia

    en.wikipedia.org/wiki/Car_key

    Car key in ignition Car ignition and steering wheel lock. A car key or an automobile key is a key used to open and/or start an automobile. Modern key designs are usually symmetrical, and some use grooves on both sides, rather than a cut edge, to actuate the lock. It has multiple uses for the automobile with which it was sold.

  7. Ignition interlock device - Wikipedia

    en.wikipedia.org/wiki/Ignition_interlock_device

    A Draeger ignition interlock device (red arrow) in a Scania bus. An ignition interlock device or breath alcohol ignition interlock device (IID or BAIID) is a breathalyzer for an individual's vehicle. It requires the driver to blow into a mouthpiece on the device before starting or continuing to operate the vehicle.

  8. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    The functions of a remote keyless entry system are contained on a key fob or built into the ignition key handle itself. Buttons are dedicated to locking or unlocking the doors and opening the trunk or tailgate. On some minivans, the power sliding doors can be opened/closed remotely.

  9. Wafer tumbler lock - Wikipedia

    en.wikipedia.org/wiki/Wafer_tumbler_lock

    His patent was assigned to King Lock of Chicago, a new lock manufacturer. By 1915 Briggs & Stratton Corporation was using King wafer tumbler locks in their ignition switches. In 1919, Briggs & Stratton applied for a switch patent using a wafer tumbler lock of their own design, which used a double-bitted key.