"HEADLAMPS SUGGESTED - 27" Message: Notes
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
The DIC displays the HEADLAMPS SUGGESTED - 27 message when the DIM determines that the ambient light conditions require headlamp illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.