GMC 1995 Safari Owner's Manual page 102

Speedometer and Odometer
Standard Cluster Digital Cluster
MPH
Your speedometer lets you see your speed in both miles per hour (mph) and
kilometers per hour ( k d h ) . Your odometer shows how far your vehicle has
been driven, in either miles (used in the U.S.) or kilometers (used in
Canada).
Tamper Resistant Odometer
Standard Cluster
Digital Cluster
Your odometer is tamper resistant. The odometer will show silver lines
between the numbers if someone tries
to
turn it back.
The digital odometer will read 999,999 if someone tries to turn
it
back.
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