How do you manually close sunroof on Cadillac STS?

To manually close the sunroof on a Cadillac STS, locate the sunroof motor access panel, usually found near the rear of the sunroof assembly. Remove the panel to access the motor. Use a wrench or screwdriver to turn the motor's gear in the direction that closes the sunroof. Ensure the sunroof is fully closed before reassembling the access panel.