Apple is gearing up for what could be a revolution in CarPlay, following an update announced at the company’s annual developer conference, the WWDC. Until now, Apple’s car software has for the most part been there to let you see content from your iPhone on your car’s main screen and to control key functions on your phone while your hands are at the wheel. But the upcoming version is set to also offer controls over key car functions, such as air conditioning and lights, while also integrating instrument cluster dials such as speed, fuel level and RPM. Not only that, but Apple wants to let you c…