Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
To mute a call, press 
and
then say “Mute Call.”
To cancel mute, press and
then say “Un-mute Call.”
See also:
Adjustable Throttle and Brake Pedal
The vehicle has adjustable throttle and brake pedals that allow you to change
their positions.
The feature will not operate when the vehicle is in R (Reverse) or while using
the cruise control.
...
Glove Box
To open, press the button. Use the
key to lock and unlock. The glove
box has a shelf that can be removed
by pulling it out. ...
Vehicle Data Recording and Privacy
This GM vehicle has a number of sophisticated computers that record
information about the vehicle’s performance and how it is driven.
For example, the vehicle uses computer modules to monitor and ...