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:
Speedometer
The speedometer shows the vehicle speed in both kilometers per hour (km/h) and
miles per hour (mph). ...
Control Buttons
The knobs and buttons used to
control the CD/DVD player are:
CD/AUX (CD/Auxiliary): Press to
switch between CD/DVD, auxiliary
input, and USB devices.
or
: Press to
select tracks.
TUNE/TON ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...