GMC Sierra Classic 2007 Owner's Manual page 266

Press and hold the select button for one second
while AVG ECON is displayed to reset the average
fuel economy. Average fuel economy will then
be calculated starting from that point. If the
average fuel economy is not reset, it will be
continually updated each time you drive.
Engine Oil Life System: Press the fuel
information button until ENGINE OIL LIFE appears
on the display. The engine oil life system shows
an estimate of the oil's remaining useful life. It will
show 100% when the system is reset after an
oil change. It will alert you to change your oil on a
schedule consistent with your driving conditions.
Always reset the engine oil life system after an oil
change. To reset the engine oil life system, see
Engine Oil Life System (Gasoline Engine) on
page 485.
In addition to the engine oil life system monitoring
the oil life, additional maintenance is
recommended in the Maintenance Schedule in this
manual. See Engine Oil (Gasoline Engine) on
page 482 and Scheduled Maintenance (Gasoline
Engine) on page 613.
266
Customization Button
4
(Customization): Press the customization
button to access the VEHICLE SETTINGS menu
and customize the settings to your vehicle.
See DIC Vehicle Customization on page 279 for
more information.
Select Button
r
(Select): Press the select button to reset
certain DIC functions and set your customization
settings. For example, this button will reset
the trip odometers and enables you to scroll
through and select the language in which the DIC
information will appear.