Can’t do this in a Lexus. Miles Branman on Tesla’s coming-some-day Model 3:
Model 3 owners will be able to fold the rear seats flat in order to clear up 66 inches of space behind the front seats. Colloquially referred to as Camper Mode, the flat surface will turn the Model 3’s cabin into a tent, though taller passengers will need to sleep sideways. The 3 will be completely silent, like all electric cars, so it will be possible to run the AC overnight if the battery pack has enough juice left in it.