A dedicated switch to lock (de-activate) the phone's keys (buttons), preventing accidental key presses that may cause unwanted outgoing calls or wasted battery life. Note that this refers to a ...

You can Lock and Unlock Function (Fn ... Press the right or left arrow key to select Enable or Disable the Fn Key switch. Related read: Function (Fn) keys not working on laptop.

Most drivers think of the ignition switch as the slot where they insert the key to start their car, but that’s actually the ignition lock cylinder. The ignition switch is a more complex electric ...

The ignition lock cylinder is a mechanical part where the ignition key is inserted to start a vehicle. It’s mounted inside the ignition switch, the electrical component that locks the ignition ...

Alternatively, it can be used to switch between two functions. Examples of toggle keys are the caps lock key, number lock key and scroll lock key.