I took delivery on 2016-07-22 of my 2016 Model S 90D refresh. Yesterday the system warned me of low tire pressure for the rear right tire. It read as 37psi. I read the manual, then read the driver door label, which says 45psi for all tires. When cold, I inflated to 45psi and checked the dash. Only then did I realize I could see the psi of all four tires with the Car Status widget. I was surprised to find that the other three tires were inflated between 37 and 39 psi, while the rear right now read 45 psi, and the Low Tire Pressure warning light was now off. The car is not reporting a tire pressure sensor problem. Is 45psi the correct tire pressure? This seems to be fairly obvious from the manual and door label. It does however seem odd that all 4 tires were set at ~38 psi from the factory, suggesting it was intentional.