Volvo 780 Owner's Manual page 7

1987 Volvo 780
the red range repeatedly, check coolant level and fan belt tension. See sections "Coolant" and "Drive
belts".
WARNING!
Allow engine to cool before adding
coolant.
If the pointer stays in the red range, do not drive the car. Call Road Assistance.
Fuel gauge
The fuel tank capacity is approx. 15.8 US gals (60 liters).
The red range represents approx. 2.4 US gals. (9 liters). See "Refueling" For further information
Instrument panel lamps rheostat
Clockwise = brighter.
Counterclockwise = dimmer.
Oil temperature gauge
This instrument shows the engine oil temperature which varies with the ambient temperature, rpm, load
and speed.
Normal oil temperature: 140-250°F.
The sender is installed in the oil sump drain plug hole.
Voltmeter
The voltmeter indicates the voltage in the electrical system and thereby also the state of the battery.
While the car is being driven the pointer should be within the black field. Should the pointer point to the
upper or lower red field when driving, this may indicate some fault in the electrical system.
pg. 8 Indicator and warning lights
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