DISPLAYING METHOD OF CONTROL BUTTON FOR AIR CONDITIONING SYSTEM

摘要

PURPOSE: An operation button display method of an air conditioning device for a vehicle is provided to improve the recognition property for operational buttons on an instrument panel. CONSTITUTION: An operation button display method of an air conditioning device for a vehicle is as follows: A control part detects a pressed state of a button(S10). When a pressed button is detected, a light part of the operational button is illuminated(S20). Day and night is detected(S30). During day, an LED light is turned off(S41). If the button is pressed for a time shorter than a designated time is detected(S42). In case the button is pressed for a time shorter than a designated time, the LED light is turned on in predetermined time(S43). The light is turned off after the designated time is elapsed(S44).