In the field of transportation, vehicles (ground or air) are becoming more and more autonomous and communicating. The emergence of these new technologies may relegate pilots to a supervisory role, implying less vigilance and less awareness of the environmental context. This degraded state can hinder the effective recovery of the vehicle and lead to dangerous situations. The objective of the COMMUTE project is to develop a genuine non-verbal, multimodal, intuitive and interactive communication system between the driver and his vehicle. For this purpose, multimodal solutions based on a cognitively situated approach will be developed within the framework of an interactive multimodal synthesis platform. Two use cases, presenting a strong safety issue, will constitute the common thread on which theoretical and experimental developments will be based: emergency warning (short time) and continuous regulation (long time).