High Beam 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 BCM requesting illumination and illuminates high beam indicator when Body Control Module (BCM) detects that high beams are requested.