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The development and evaluation of an integrated advisory interface for several advanced driver assistance systems (ADAS) is focused here. It was developed using an ecological interface design (EID) approach and was combined with the type of auditory warnings used in vehicles today to investigate multiple-staged warnings. The warning combination was evaluated using a fixed-base medium-fidelity driving simulator. The results suggest that the development of driver interfaces based on EID could benefit by being combined with the iterative nature of the user-centred design methods to make accurate assumptions on how the design is suitable for end-users in the context of use. Simulator results also show that participants drove with greater safety margins to lead vehicles and maintained better lateral positioning when driving with the interface, indicating that integrated multiple-staged warnings can have a positive effect on driver behaviour if correctly designed.