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:
Power Reclining Seatbacks
To adjust a power seatback, if available:
○ Tilt the top of the control rearward to recline.
○ Tilt the top of the control forward to raise. ...
Heated Mirrors
For vehicles with heated mirrors:
(Rear Window Defogger):
Press to heat the mirrors.
See “Rear Window Defogger” under Dual Automatic Climate Control System on page 8‑4 for more informati ...
Trip Odometer
The trip odometer shows how far the vehicle has been driven since the trip odometer was last set to zero.
Press the reset button, located on the instrument panel cluster next to the voltmeter, to tog ...