| 摘要 |
An in-vehicle apparatus is connected with a portable terminal to enable communications. The in-vehicle apparatus then acquires an ID code of the portable terminal and opens a log file corresponding to the ID code, registering a record describing a vehicle compartment environment, etc. When the vehicle compartment is under an abnormal environment (high temperature, high humidity, or strong vibration environment), a record describing a duration of the abnormal environment is registered in the log file. In addition, when an operation anomaly occurs in the portable terminal or the vehicle compartment is under the abnormal environment, a record describing an operation state of the portable terminal is registered in the log file. Furthermore, when the connection between the portable terminal and the in-vehicle apparatus is released, a record describing a duration of the connection is registered in the log file.
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