Chevrolet B7 2001 Owner's Manual page 37

Speedometer and Odometer
Your speedometer lets you see your speed in both
miles per hour (mph) and kilometers per hour (km/h).
Your odometer shows how far your vehicle has been
driven, in either miles (used in the United States) or
kilometers (used in Canada).
-
Your odometer is tamper
show silver lines between the numbers if someone tries
to turn it back.
1-30
resistant. The odometer will
You may wonder what happens if your vehicle needs a
new odometer installed. If the new odometer 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.
Hubodometer (If Equipped)
Engine Speed Governor
All gasoline engines have an electronic engine speed
governor. The engine governed speeds range between
3600 and 4000 rpm depending on model, engine size
and option content.
R
Caterpillar diesel engines have a mechanical governor
that is set at 2600 rpm.
The hubodometer, mounted
on the left rear wheel, may
be used in addition to the
instrument panel cluster
odometer to record the total
miles the vehicle is driven.