Had an uncomfortable experience tonight. In EV mode just north of 70mph in outside lane of motorway Switched to HV mode for a bit of power to clear the car on the inside who had started to speed up. Sudden judder and "Hybrid system malfunction Visit your dealer" came up, along with "pre collision system malfunction". Car rapidly lost all power and slowed to a crawl. I managed to get to inside lane - miracle no one rear ended me and coasted into a lay-by -only just made it as