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:
Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle.
Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑64.
Added electrical equipment ...
Recreational Vehicle Towing
Recreational vehicle towing means towing the vehicle behind another vehicle –
such as behind a motor home. The two most common types of recreational vehicle towing
are known as dinghy towing and ...
Belts
• Belts may need replacing if they squeak or show signs of cracking or splitting.
• Trained dealer technicians can inspect the belts and recommend replacement when necessary. ...