Volvo 2008 S40 Owner's Manual page 68

To operate the moonroof, the ignition key must first be turned to the intermediate or drive position (position I, II or the
engine running). The moonroof can be opened in two ways:
A. Tilt position
B. Sliding moonroof
1. Auto open
2. Manual open
3. Manual close
4. Auto close
5. Tilt open
6. Tilt close
Tilt position
Open: Press the rear edge of the control upward to position 5.
Close: Pull the rear edge of the control down to position 6.
Sliding moonroof
Auto open/close
Open: Pull the switch as far back as possible (to position 1) and release it to automatically slide open the moonroof.