Ok this IS what happens... SSS - Full Manual, won't change for you...however... if you forget you are driving in Manual Mode, say coming to a corner (driving in 4th, and don't change back down), after you have been driving for quite some time, and then plant your foot once you exit the corner, it will revert back to Auto, a "D" symbol will flash in the LCD. This only happens after an extended time of driving (maybe 5 minutes), so if you say drive to the end of the street (in Manual Mode) , slow down without touching the gears (from 4th), then plant your foot it won't revert back to "Drive" you'll know if it does this as the "D" will flash straight away, and it only does this if the push your foot down hard and fast. Hope this clears it up.