Dodge 2006 Dakota - Manual (Page 127)

Global Reset
If the RESET button and STEP button are pressed at the
same time and held for 3 seconds the Global Reset feature
will reset the distance to empty (using a default fuel
economy value), fuel economy, trip odometer, and
elapsed time displays. Step Button
Use this button to choose or cycle through the four trip
conditions.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 127
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