if anyone's interested... i was having trouble finding the answers to these questions... got it from the jeep dealer: (1) whats the temperature that triggers the idiot light/chime for the HOT OIL (transmission) sensor and (2) what's the normal operating temp for the auto tranny in the '07 rubi (42lre i think)... answers: (1) 250 F and (2) 150-180 F... hope this helps anyone who's interested.