One problem related to hatchback/liftgate has been reported for the 2005 Chevrolet Trailblazer. The most recently reported issues are listed below.
While opening the rear hatch of our 2005 Chevrolet Trailblazer lt the rear window exploded in to a million pieces. The loud explosion scared my wife as if someone had shot the glass out. There was no excessive force used, the weather was cold ~34 f, there was no snow or ice on the vehicle.