Possible Causes

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Roof opening panel glass adjustment
Roof opening panel lifter assemblies
Roof opening panel tracks
Roof opening panel drain channels and guides
Roof opening panel shield
Roof opening panel air deflector
Roof opening panel assembly