Chevrolet Silverado Classic 2007 Owner's Manual page 267

You can also reset TRIP A or TRIP B while
they are displayed by pressing the reset stem
on the cluster. If you press and hold the reset
stem or the select button for four seconds,
the display will show the distance traveled since
the last ignition cycle for TRIP A or TRIP B.
See Trip Odometer on page 243 for more
information.
Timer: The DIC can be used as a timer. Press
the select button while TIMER is displayed to
start the timer. The display will show the amount
of time that has passed since the timer was
last reset, not including time the ignition is off.
Time will continue to be counted as long as
the ignition is on, even if another display is being
shown on the DIC. The timer will record up to
99 hours, 59 minutes and 59 seconds (99:59:59)
after which the display will roll back to zero.
To stop the counting of time, press the select
button briefly while TIMER is displayed.
To reset the timer to zero, press and hold the
select button while TIMER is displayed.
Engine Hours: Press the trip information button
until ENGINE HOURS appears on the display.
This mode shows the total number of hours
the engine has run. Pressing and holding the
reset stem located on the instrument cluster for
about four seconds will also display the engine
hour information after the odometer is displayed
when the vehicle is off.
Selected Range: If your vehicle has an
®
Allison Transmission
MANUAL MODE (M) position, press the trip
information button until SELECTED RANGE: M#
appears on the display. The DIC will display
the current gear range. For example, if the
gear range is set to 6, the DIC will display
SELECTED RANGE: M6. See Automatic
Transmission Operation on page 136 for
more information.
and the vehicle is in the
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