. OPERATION DETAILED CONTROLS AND GAUGES the the short periods, stop the engine to reduce unnecessary fuel consumption. The idling stop message screen returns to the standard screen pressed. 3 - 20 Air Conditioner Monitor This m onitor (8 ) display s the working status of t he air conditioner. Monito r lighted up: Air c onditioner ON Monito r off: Air conditioner O Idle Stop Guida If t he l evers ar e not operate d for mor than five minutes, and engine monito is r. idlin Whe g, the id n waiting ling for stop work message is or stopping displayed work for on a s any lever is o perated agai n or w hen function s witch F5 ( Back) is