I have an 07 trailblazer that sticks in park,shift moves,trans also move tru the gears,,it tries to move but its in park and the other gear at the same time,,,if i jerk the shifter back and forth it will disengage park and drive as normal untill i place it in park again,,then i have to do the same thing again to get it to work,,,,im thinking one day it wont work and im stuck for good,,,thanks for any feed back that may help,,,,,joe may