Driver Warning
WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Chevrolet Cavalier, 2001 Pontiac Sunfire, and 2001 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) is responsible for interpreting most of driver warning indicators. BCM receives inputs and sends theft system, low engine coolant, high beam, service vehicle soon, Daytime Running Lights (DRL), brake, traction off and check gauges messages to instrument cluster.