What does 'door' mean in a car?

[DelNicole]

Here is an introduction about 'door': 1. The 'door' in a car refers to the reading light's activation mode. 'Door' means 'door', and on the reading light, it means that when the car door is opened, the overhead light will turn on. 2. If the car door is opened or not closed properly: the 'door' light will also turn on, serving as a warning. 3. The interior reading light generally has three position switches: off, on, and door. When the reading light's control switch is in the 'door' position, if the car door is opened, the light will turn on; when the driver exits the car and removes the key, the reading light will stay on for 15 seconds before turning off; when the mechanical key is not inserted into the ignition switch, turning the ignition switch to the LOCK position will also activate the light. When the driver's side door is locked, or the ignition switch is turned to the ON position, regardless of the state, the reading light will turn on; when the reading light's switch is in the OFF position, the light will not turn on no matter the vehicle's state.