Here is what happens with electricity provided to the accessory outlets when you turn off the car (based on my experimentation):
USB and the Inverter (the 110v AC plug for the back seat) lose power immediately when the car is shut down.
The 12v outlet in the center console up front stays hot for 30 minutes after shutting down the car.
The 12v outlet in the cargo area does not turn off, it is always hot.
(I am still investigating the 12v inside the arm-rest cubby)
Let us know if your experiences differ....
Edited by Valkraider, 31 December 2012 - 02:38 PM.