Inside, the Model 3 welcomes you with an almost Scandinavian, simple interior – and a giant screen that controls almost all vehicle functions. Tesla has saved on buttons and levers: to the left of the steering wheel is the turn signal lever, which also functions as a flasher and activates the windshield wipers. To the right of the steering wheel is the gear selector lever, which also switches the distance radar and autopilot on and off while driving. There are two knobs in the steering wheel rim, and …