Ford F-150 2010 Owner's Manual page 21

Instrument Cluster
Tachometer: Indicates the engine
speed in revolutions per minute.
Driving with your tachometer
pointer continuously at the top of
the scale may damage the engine.
Engine oil pressure gauge:
Indicates engine oil pressure. The
needle should stay in the normal
operating range (between "L" and
"H"). If the needle falls below the
normal range, stop the vehicle, turn
off the engine and check the engine
oil level. Add oil if needed. If the oil
level is correct, have your vehicle checked by your authorized dealer.
Fuel gauge: Indicates
approximately how much fuel is left
in the fuel tank (when the ignition
is in the on position). The fuel
gauge may vary slightly when the
vehicle is in motion or on a grade.
The arrow next to the fuel pump
icon indicates which side of the
vehicle the fuel filler inlet is located.
For more information, refer to Filling the tank in the Maintenance and
Specifications chapter.
Transmission fluid temperature gauge: If the gauge is in the:
Normal area (normal) - the
transmission fluid is within the
normal operating temperature
(between "H" and "C").
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