Pontiac 1998 Sunfire Owner's Manual page 133

Speedometer and Qdometer
Your speedometer lets you see your speed in both miles
per hour (mph) and kilometers per hour ( k m / h ) . Your
odometer shows how far your vehicle has been driven,
in either miles (used in the United States) or kilometers
(used in Canada).
You may wonder what happens if your vehicle needs a
new odometer installed.
If the new one can be set to the mileage total of the old
odometer, then it must be. But if it can't, then it's set
at zero and a label must be put on the driver's door to
show the old mileage reading when the new odometer
was installed.
Trip Odometer
The trip odometer can tell you how far your vehicle
has been driven since you last reset the trip odometer
to zero.
Your vehicle may be equipped with either a mechanical
or digital trip odometer. The reset button is located over
the temperature gage.
On a digital odometer, you can press the button to
alternate between the season odometer and the trip
odometer. To reset the trip odometer, press and hold the
reset button for one to two seconds.
To reset the trip odometer on a mechanical odometer,
just press the reset button.
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