Ford Grand Marquis Owner's Manual page 22

4. Check the coolant level following the
instructions on checking and adding coolant
to your engine, see Engine Coolant in the
Index. If you do not follow these
instructions, you or others could be injured.
If the coolant continues to overheat, have the
coolant system serviced.
Speedometer
The speedometer tells you how many miles
(kilometers) per hour your vehicle is moving.
Odometer
The odometer tells you the total number of miles
(kilometers) your vehicle has been driven.
Trip Odometer
If you want to track your mileage up to 999.9
miles (kilometers), use the trip odometer. Simply
set the trip odometer to zero by pressing the
reset control firmly when beginning the distance
you wish to measure.
Since the trip odometer displays distance
independent of the odometer it will not always
advance to the next mile (kilometer) at the same
time as the odometer.
Battery Voltage Gauge
This gauge shows you the battery voltage when
the ignition key is in the ON position.
If the battery is operating under cold weather
conditions, the pointer may indicate in the upper
range of the normal band while the battery is
charging. If you are running electrical accessories
with the engine off or idling at a low speed, or
the battery is not fully charged, the pointer may
move toward the lower end of the normal band.
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