With a dominating performance, Lewis Hamilton handily won both the Abu Dhabi Grand Prix and his second World Championship on Sunday, and with that brought most of auto racing to it's offseaon (save for WEC and V8 Supercars, who both have another round next weekend). It was the end of quite a lot - Vettel with Red Bull, Alonso with Ferrari, maybe Button at McLaren, maybe Caterham in F1 altogether, and finally, most likely the end of the phallic nose shapes that the half-baked rules created this year. The teams stay in Abu Dhabi for one more test over the next week, then it's back to the shops to make the final push on next year's cars.
Other breeds of racing are going through their checklists as well. Believe it or not, we're about halfway through the IndyCar aerokit testing window, and the kits need to be homologated in less than 2 months. We won't see much of the cars until just after that point, as Chevy and Honda are doing their best to keep the cars under wraps during testing. NASCAR has their own new aero package to come to grips with. IMSA teams are trying to decide whether they'll go with a Daytona or P2 type prototype next year, or, if in GT, whether they'll be running the Pirelli World Challenge series instead of Tudor next year. And so on. There may not be cars on track, but there's still a lot to happen in the next few months.