
For the base level cluster, this light comes on when the fuel tank is low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced.

For the uplevel cluster, this light is near the fuel gauge and comes on briefly when the ignition is turned on as a check to show it is working.
It also comes on when the fuel tank is low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced.
Engine Oil Pressure Light
Diesel Exhaust Fluid (DEF) Warning LightFuel Pressure Sensor Replacement - Fuel Injection Fuel Rail Engine Control Engine Control Sensors
Fuel Pressure Sensor Replacement - Fuel Injection Fuel RailCalloutComponent NamePreliminary ProcedureRemove the fuel pipe shield. Refer toFuel Pipe Shield Replacement.1Fuel Injection Fuel Rail Fuel Pressure SensorCaution:Refer toFastener Caution.Tighten33-Y(25-lb-ft) ...