Using the “Delete All Name Tags” Command
This command deletes all stored name tags in the Hands-Free Calling Directory and the OnStar Turn-by-Turn Destinations Directory, if equipped.
To delete all name tags:
1. Press and hold 
for two seconds.
2. Say “Delete all name tags.”
See also:
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...
Vehicle Overview
The 2011 GMC Yukon is the middle child among GM's full-size SUVs. Based on
price and equipment, the Yukon sits squarely between the Chevrolet Tahoe and
Cadillac Escalade. Four-wheel drive is avail ...
Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle.
• Press to answer the call.
• Press to ignore a call. ...