Low Fuel
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Sonoma, 1999 GMC Jimmy, 1999 GMC Envoy, and 1999 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
If fuel level is low, Light Emitting Diode (LED) illuminates to alert driver of condition indicated by gauges. IPC monitors Class 2 data from Vehicle Control Module/Powertrain Control Module (VCM/PCM). As a check, LED illuminates for 3 seconds after ignition is turned on.