CONTROL CONSOLE DESCRIPTIONS IMPORTANT: All four start interlock indicators must be on to start engine. 22 RT115 Tier 2 - CONTROLS c00ic014a.eps Engine Oil Pressure Indicator This indicator lights and alarm sounds when oil pressure is low. Light will come on briefly when engine is started. If pressure is still low, consult Engine Manual . This indicator lights when operator is in seat. This indicator is part of the start interlock system. Operator Presence Indicator p If light remains on: Turn off engine. Check oil level.