GMC 2008 Envoy - Manual (Page 198)

Language
Press the customization button until LANGUAGE:
ENGLISH appears in the display. To select your
preference for display language, press the select button
while LANGUAGE: ENGLISH is displayed on the DIC.
Pressing the select button will scroll through the following
settings:
ENGLISH (default): All messages will appear in
English.
FRANCAIS: All messages will appear in French.
ESPANOL: All messages will appear in Spanish.
To select a setting and move on to the next feature,
press the customization button while the desired setting
is displayed on the DIC.
If you accidentally choose a language that you do not
want or understand, press and hold the customization
button and the trip information button at the same time.
The DIC will begin scrolling through the languages in their
particular language. English will be in English, Francais
will be in French, and Espanol will be in Spanish. When
you see the language that you would like, release both
buttons. The DIC will then display the information in the
language you chose.
You can also scroll through the different languages
by pressing and holding the trip reset stem for
four seconds, as long as you are in the odometer mode.
Units
Press the customization button until UNITS: U.S.
(ENGLISH) appears in the display. To select the units
of measurement in which the DIC will display vehicle
information, press the select button while UNITS: U.S.
(ENGLISH) is displayed on the DIC. Pressing the select
button will scroll through the following settings:
UNITS: U.S. (ENGLISH) (default): All information will
be displayed in English units.
UNITS: METRIC (km/L): All information will be
displayed in metric units.
UNITS: METRIC (L/100 km): All information will be
displayed in metric units.
To select a setting and exit out of the customizable
options, press the customization button while the desired
setting is displayed on the DIC.
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