Chrysler 2006 PT Cruiser Sedan - Manual (Page 358)

6. Raise the handle into the stowed position.
7. Close the convertible top motor bypass screw by
turning the screw clockwise until it stops. Tighten the
screw securely.
NOTE: Failure to tighten the bypass screw securely can
cause convertible top operating concerns.
Engaging Convertible Top
358 WHAT TO DO IN EMERGENCIES