GMC Acadia 2007 Manual page 86

Navigation Help
Navigation Help: This command instructs the
system to assist with navigation commands.
Display Commands
Use the following display commands to set the
display mode.
Display [set] day [mode]: Use this command to
set the display to daytime mode.
Display [set] night [mode]: Use this command
to set the display to night mode.
Display [set] auto [mode]: Use this command to
set the display to automatic mode. The system will
change between day and night mode automatically.
System help: This command instructs the system
to assist with display commands.
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Radio Commands
The following are radio commands you can
access by clearly stating the commands exactly as
they are written.
Radio [band] [select] AM, radio [band] [select]
FM, radio [band] [select] XM, radio [band]
[select] satellite: These commands instruct
the system to go to either the AM, FM, or XM
(if equipped).
Radio [select] (frequency) AM, radio [select]
(frequency) FM: These commands instruct
the system to go to a specific frequency on either
AM or FM.
Radio [select] (channel) XM, radio [select]
(channel) satellite: These commands instruct the
system to go to a specific channel on the XM™
band (if equipped).
Radio help: This command instructs the system
to assist with radio commands.