Honda 1994 Prelude Online Reference Owner's Manual page 40

Gauges
FUEL GAUGE
Fuel Gauge
This shows how much fuel you
have. The fuel gauge is fully
electronic, lighting the indicator
bars to show the current fuel level.
It is most accurate when you are
driving or parked on level ground.
The indicated fuel level may vary
when you are driving on curved or
hilly roads.
Instruments and Controls
TEMPERATURE
GAUGE
As a test, all the indicator bars in
the fuel gauge light for several
seconds when you turn the ignition
to ON (II).
Temperature Gauge
The temperature gauge is fully
electronic. It uses a series of
illuminated indicator bars to show
the engine coolant's temperature
range. Under normal driving
conditions, you will see the bars
illuminate to the display's midpoint.
In more severe driving conditions,
such as very hot weather or
climbing a long hill, the engine may
get hot enough to illuminate the
white indicators on the right side of
the gauge. If the red indicator
above the H comes on, pull safely
to the side of the road. Turn to
page 195 for instructions and
precautions on checking the
engine's cooling system.
As a test, all the indicator bars in
the temperature gauge illuminate
when you turn the ignition ON (II).