
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 LightControl Valve Body - Case Side Automatic Transmission Unit
Control Valve Body-–-CaseSide(2)Line(7)Cooler Feed(9)Regulated Apply(10)Exhaust Backfill(12)PCS Line(14)Shift Solenoid(16)R1/456 Clutch Feedback(17)R1(19)Reverse(20)35 Reverse Clutch Feed(21)35 Reverse Clutch(24)Auxiliary Line (BAS+Only)(26)Drive(27)1234 Clutch(28)1234 Clutch Feedback(29)Drive 1-6 ...