Cadillac 2003 CTS Owner's Manual page 142

Sunroof (Option)
(Half Open): Turn the control clockwise to
this position to open the glass panel half
The sunshade will open with the glass panel, or it can be
opened manually.
(Comfort Stop): Turn the control clockwise
to this position to open the glass panel about three
quarters of the way open. The sunshade will open with
the glass panel, or it can be opened manually.
This is called the comfort stop position. It provides less
-
wind noise than the full open position.
2-74
The sunroof controls
are located on the
overhead console.
-
way open.
(Full Open): Turn the control clockwise to
this position to open the glass panel all the way. The
sunshade will open with the glass panel, or it can be
opened manually.
(Vent): Turn the control counterclockwise to
this position to use the vent feature. The glass panel will
tilt upward from the vehicle. The sunshade must be
opened manually.
(Close): Turn the control to this position to
close the sunroof. The sunshade must be closed
manually.