I know this has been ask before, but I never saw the answer and couldn't find it through searching. The Haynes manual says the transmission has two settings. How do you change these settings?

"Wow, that sank fast." "Yeah, like a rock."
96 Contour GL ATX
9mm Ford Racing Wires; 2 Resonators down, 1 to go;"Special airbox"; many mods planned
Sony CD player: 50wattsx4;remote;
Speakers=50 watt Pioneer 6x8s
Ross Evans smile