GMC Terrain 2018 Owner's Manual page 139

138 Instruments and Controls
When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
The oil should be changed as soon
as possible. See Engine Oil 0 263.
In addition to the engine oil life
system monitoring the oil life,
additional maintenance is
recommended. See Maintenance
Schedule 0 344.
The Oil Life display must be reset
after each oil change. It will not
reset itself. Do not to reset the Oil
Life display at any time other than
when the oil has just been changed.
It cannot be reset accurately until
the next oil change. To reset the
engine oil life system, press and
hold for several seconds while
the Oil Life display is active. See
Engine Oil Life System 0 267.
Tire Pressure : Shows the
approximate pressures of all four
tires. Tire pressure is displayed in
either kilopascal (kPa) or in pounds
per square inch (psi). If the pressure
is low, the value for that tire is
shown in amber.
See Tire Pressure Monitor System
0 301 and Tire Pressure Monitor
Operation 0 302.
Average Speed : Displays the
average vehicle speed of the
vehicle in kilometers per hour (km/h)
or miles per hour (mph). This
average is based on the various
vehicle speeds recorded since the
last reset. Reset the average speed
by pressing when it is displayed.
Fuel Economy : The center
displays the approximate
instantaneous fuel economy as a
number and bar graph. Displayed
above the bar graph is a running
average of fuel economy for the
most recently traveled selected
distance. Displayed below the bar
graph is the best average fuel
economy that has been achieved for
the selected distance. The selected
distance is displayed at the top of
the page as last xxx mi/km.
Press to select the distance or
reset best value. Use
choose the distance and press
Press and to select Reset
Best Score. Press
best average fuel economy. After
reset, the best value displays -,-
until the selected distance has been
traveled.
The display provides information on
how current driving behavior affects
the running average and how well
recent driving compares to the best
that has been achieved for the
selected distance.
Economy Trend : Shows history of
the Average Fuel Economy from the
last 50 km (30 mi). Each bar
represents about 5 km (3 mi) of
driving. During driving the bars will
shift to always reflect the most
recent distance on the right side.
Press and hold
or press
the menu.
Timer : This display can be used as
a timer. To start the timer, press
while this display is active. The
display will show the amount of time
and to
that has passed since the timer was
.
last reset. To stop the timer, press
briefly while this display is active
to reset the
to clear the graph
to reset through