Volume Control
VOL/
(Volume/Power): Turn to
adjust the volume.
(Phone/Mute): For vehicles with
OnStar®, press and hold
to mute
the infotainment system. Press and
hold
again, or turn the VOL/
knob to cancel mute.
For vehicles without OnStar®, press
to mute the infotainment system.
Press
again, or turn the VOL/
knob to cancel mute.
See also:
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
When you change the engine oil, be
sure to reset the Oil Life System.
See Engine Oil Life System and Driver Information
Center (D ...
Windshield
For safety, appearance, and the
best viewing, keep the windshield
clean and clear.
• Signs of damage include
scratches, cracks, and chips.
• Trained dealer technicians can
inspect the wi ...
Footnotes — Maintenance
Schedule Additional Required
Services — Normal
a) Or every two years, whichever
comes first. More frequent
replacement may be needed if the
vehicle is driven in areas with heavy
traffic, areas with poor air quality,
or areas with high du ...
