| 摘要 |
A vehicle air-conditioning system which operates in response to the manipulation of momentary switches is provided with discriminating means for discriminating whether any momentary switch is on at the time of system power-up. When the discriminating means finds that one or more momentary switches are on, the vehicle air-conditioning system is set to a predefined initial control state independent of contact information from such momentary switch or switches. As a result, at least the minimum temperature control required for occupant comfort can be secured when shorted contact sticking occurs in a momentary switch provided on an operation panel.
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