Proposal on risk communication for safe driving support system

This reports reveals importance and necessity of risk communication for safe driving support system such as AHS. The communication becomes key to succeeding with AHS implementation. Drivers ought to have opportunities to familiarize themselves with alarm unreliability or undetectable risk as well as informed consent in medical. The opportunity is provided by risk communication to integrate risk-perception between drivers and vehicles. The communication is performed by trading responsibility and usability. Risk-perception integration interface becomes essential for alarm devices such as safe driving support system. Samples of integration interface are described.