Buick RIVIERA 1993 Manual page 110

Fuel Gage
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Your fuel gage is a bar graph. When you fill the tank,
the bar segments will light up. The fuel gage shows
about how much fuel is in your tank. It works only when
the ignition is on. When the fuel gage shows only two
bar segments the "LOW' light will come on. If the fuel
supply is in the one bar segment, the yellow warning bar
will flash to remind you to get more fuel soon.
At the gas station, the gas pump shuts
off
before the
gage reads
"F'.
It
takes
more (or
less) gas to fill up than the gage
said. For example, the gage said 1/2 full, but it took
more - or less - than half of the tank's, capacity to fill
it.
Engine Oil Pressure Gage and Light
When
"LOW, comes on
there could be a problem
with your engine oil
pressure.
Here are concerns some owners have had about the fuel
You can also read your oil pressure directly from the
gage. All these situations are normal and indicate gage on your instrument panel.
nothing wrong with the fuel gage.
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