Without a picture, I assume it's the little panel that gives you various warnings like low or high alternator output, low oil pressure or a low coolant level. Have you gone around back and checked the coolant level in the overflow tank. You're probably low even though you aren't overheating - yet.
Bill
Nodwell RN110 out moose hunting. 4-53 Detroit, Clark 5 spd, 40" wide tracks, 10:00x20 tires, 16,000# capacity, 22,000# weight. You know the mud is getting deep when it's coming in the doors.