Window opening/closing control system

A window opening control system for a vehicle comprises a window glass (1a) for opening/closing a door or roof window (1) of the vehicle (100), a motor (16) for causing opening/closing movement of the window glass (1a), window opening/closing switches (2-5 and 10) for causing the opening/closing movement of the window glass (1a), pulser and limit switch (8, 9) for detecting an opening position of the window glass (1a), and control means (12) for controlling the motor (16) to cause opening/closing movement of the window glass (1a) according to operations of the window opening/closing switches (2-5 and 10) and the opening position detected by the position detection means (8, 9). The control means (12) controls the motor (16) to stop so as to cause a momentary pause of movement of the window glass (1a) for a specified pause period or to completely halt the window glass (1a) at a specified preparatory distance at one try of an operation of one of the window opening/closing switches (2-5, 10) and changes the specified opening distance according to a specific first operation.