Shift Inhibition

In order to ensure good fuel economy and compliance with federal fuel economy standards, 2nd and 3rd gears are inhibited when shifting out of 1st gear under the following conditions:
^ Coolant temperature is above 77°C (161°F).
^ Throttle is opened 35% or less.
^ Vehicle speed is between 24 and 34 km/h (15 and 21 mph).
^ Reset at less than 2 km/h (1 mph).