Mercury 2002 Cougar Owner's Manual page 17

Instrument Cluster
Fuel gauge
Displays approximately how much
fuel is in the fuel tank. The fuel
gauge may vary slightly when the
vehicle is in motion or on a grade.
When refueling the vehicle from an
empty indication, the amount of fuel
that can be added will be less than
the advertised capacity due to the
reserve fuel.
Speedometer
Indicates the current vehicle speed.
Odometer
Registers the total kilometers
(miles) of the vehicle.
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