My bad. I mis-filed the quote below in a lesser quality part of my brain: But to get to the point: your experience is that performance mode is available as soon as you select it? Why would Tesla limit the max torque in standard mode? If I want to go fast, I press the pedal all the way; if I want to go not-so-fast, I don't. Those few seconds of acceleration won't fry the battery (I think). Sustained high-power driving causing a hot battery will shorten the life span of the battery, so I understand that requires an explicit choice to be made (by selecting performance mode).