TM 10-3930-659-10 2-2.  CONTROLS AND INDICATORS (Con’t). INSTRUMENT PANEL KEY CONTROL OR INDICATOR FUNCTION 1 Turn Signal/Emergency Operates turn signals and emergency flashers. Flashers Switch 2 Transmission Oil Shows transmission oil temperature.  Green zone Is Temperature Gage normal operating range; red zone is high temperature range. 3 Engine Coolant High Lights red if engine coolant temperature goes above Temperature Indicator 2240F (107°C). 4 Stop Engine Indicator Lights red when engine oil pressure drops below safe operating range.  An audible alarm will also sound. 5 Engine Oil Low Lights when engine oil pressure drops below safe Pressure Indicator operating range.  An audible alarm will also sound. 6 Battery Charging Lights when alternator is not charging or batteries are Indicator low. TA704473 2-2