When to Inspect the Engine AirCleaner/Filter
Inspect the air cleaner/filter at the Maintenance II intervals and replace at the first oil change after each 50,000 mile (83 000 km) interval.
If you are driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Infotainment System Menus
Tone Settings
To access the tone settings, press
the Home Page Tone button or the
TONE button on the faceplate.
Use the tone settings to adjust the
following features:
• Setting the tone
â ...
How OnStar Service Works
: This blue button connects you
to a specially
trained OnStar advisor to verify your account information
and to answer questions.
: Push this red emergency button to
get priority help
fro ...
Compass
The vehicle has a compass display in the DIC. See Compass for more information. ...