System overview, button illumination and lighting for controls

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: System Overview (Button Illumination And Lighting For Controls)

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Control module, DICE (628)
SID (541)
Control module, TWICE (632)
Rheostat, instrument lighting (16)