For me as a medical user I don't usually Vape in the car, but I know if I am not medicated appropriately I try not to drive. For me this means if I have had too little I don't drive and if I've had too much I don't drive. If I'm too high it isn't safe but also if I'm in pain and having bad anxiety it is also not safe for me to drive because then I'm distracted and that's not good either. A wax pen or a pre filled cartridge on a box mod are the ways I would consume while driving if I did. A while ago I used the FW3.0 a bit while driving and that was super easy with the ability to have the capsules preloaded. Basically whatever method of consumption in the car should be preloaded and require minimal focus imo. It shouldn't be a distraction it should just be a way to remain at the appropriate level of medicated for you.