Adjusting the EQ (Equalizer)
For vehicles with an equalizer:
1. Press the TONE button.
2. Select EQ.
3. Select the setting.
Press the 
BACK button to go
back to the Tone Settings menu.
See also:
Outside Heated Mirrors
When the rear window defogger is turned on, the
driver’s and passenger’s outside rearview mirrors
also heat to help clear them of ice, snow, and
condensation. ...
Transportation Options
Warranty service can generally be
completed while you wait. However,
if you are unable to wait, GM helps
to minimize inconvenience by
providing several transportation
options. Depending on t ...
Using the Dial Command
1. Press and hold for two
seconds. The system
responds with “Ready” followed by a tone.
2. Say “Dial”. The system responds with “Dial using
<phone name>”. “Number please” ...