LOW FUEL Indicator
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Instrument Panel Cluster (IPC) receives a class 2 message from PCM indicating fuel level percent and illuminates LOW FUEL indicator in message center when IPC detects that fuel level is less than a pre-determined value. IPC also sends a class 2 message to radio in order to activate an audible warning of 4 chimes.