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:
Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...
Ultrasonic Parking Assist
If available, Ultrasonic Rear Parking Assist (URPA) system uses sensors on the rear bumper to assist with parking and avoiding objects while in R (Reverse). It operates at speeds less than 8 km/h (5 m ...
Denali details
The iconic Yukon Denali delves deeper into the luxury SUV realm with enhanced
features and craftsmanship that distinguish it from other models. It is a
comprehensive package of performance, amenit ...