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:
Introduction
The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, BUICK, the BUICK Emblem, and REGAL are trad ...
Malfunction Indicator Lamp
A computer system called OBD II
(On-Board Diagnostics-Second
Generation) monitors the operation
of the vehicle to ensure emissions
are at acceptable levels, to produce
a cleaner environment. ...
Manual Rearview Mirror
Adjust the inside rearview mirror for
a clear view of the area behind your
vehicle. To avoid glare of the
headlamps from behind, push the
tab forward for daytime and pull it
for nighttime us ...