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:
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system s ...
Manual Operation of Power Liftgate
To change the liftgate to manual
operation, turn the mode selector
switch to OFF.
With the power liftgate disabled
and all of the doors unlocked,
the liftgate can be manually opened
and clo ...
Sedan or Coupe
To lower one or both of the rear
seatbacks:
1. Pull forward on the tab, on the
outboard side of the seatback,
to unlock the seatback.
2. Fold the seatback down.
This allows access to the tr ...