if you put it back into drive while moving, it goes back into whatever gear it should be in for that speed, IE: 3rd. I'm not sure about the specifics but I know that I did it a few times in my old car and didn't have any problems at all.
1999 Silver Frost SVT #609 of 2760 Born on 12/3/98
KKM Intake Removed Resonator 35% Window Tint all around Tinted Tail Lights ElKy Mesh Grilles HID
Dyno'ed at 175.3HP/155.5TQ
"How much must I live through just to get away..."