Today, how could we imagine a production car without airbag system, cruise control, embedded car diagnosis displaying the time remaining until the next technical visit, parking aid, or even without a clock on the dashboard? What would be the success for a premium vehicle that would not offer any integrated GPS, Bluetooth connectivity, automatic headlamps or wipers in case of rain? Automotive embedded software development is a specific business. In this complex environment, defining a Risk-Based Testing strategy makes perfect sense. This document proposes the 7 key elements to build and lead an efficient and rational testing strategy based on risks.