LOW COOLANT LEVEL 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) illuminates LOW COOLANT LEVEL indicator in message center when IPC detects a low coolant level condition (signal circuit is low). IPC also sends a class 2 message to radio in order to activate an audible warning of 4 chimes.