To get at the sunroof motor , the plastic cover for the overhead light and switches to operate the sunroof must be popped loose. Pull the sunroof fully down and level with the roof of the car. Able the motor from the roof and remove the drive cables. Maintaining the electrical connector of the motor while operating, let the motor approach its extreme position as far as it could go, then turn and stop. Fasten the two cables back together, and screw the motor back on. Removing an OS is the steps in the installation process done in the reverse order.