New Holland E57C Operator's Manual page 109

(4) Maintenance pilot light
This light is ON when the consuming parts are needed to
change or replace.
It means that the change or replacement interval of the
consuming parts remains below 30 h.
Check the message in maintenance information of main
menu. Also, this light turns ON for 3 min when the starter
switch is ON position.
(5) Warming up pilot light
This light is ON when the coolant temperature is below
30 °C (86 °F).
The light is OFF when the engine coolant temperature is
above 30 °C (86 °F), or when 10 min have passed since
starting the engine.
(6) Option attach function light
This light is ON when the option attach function is acti-
vated.
The light is OFF when the option attach function is deac-
tivated.
(7) Preheat pilot lamp
Turning the start key switch ON position starts preheating
in cold weather.
Start the engine after this lamp is OFF.
3 - CONTROLS AND INSTRUMENTS
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