What does 'lock' mean in a car?

[AnaRose]

lock refers to the ignition switch. The switch of the car's ignition system (usually requiring a key) can freely open or close the main circuit of the ignition coil. Here is additional information: 1. The activation method is to insert the key into the ignition switch, pause briefly at each gear for about 1-2 seconds, during which you can hear the sound of electrical equipment powering on, and then proceed to the next gear. Some cars can directly enter the ON position, wait for all electrical systems to fully start up (approximately 6-7 seconds), and then turn the key to the START state to ignite directly. 2. The one-button start button or knob can only be activated when it detects the presence of the smart key, with a typical sensing range of about 50 centimeters.