Erasing Speed Memory
The cruise control set speed is erased from memory by pressing 
or if the ignition is turned off.
See also:
Reverse Gear Wipes
If the rear wiper control is off, the rear wiper will automatically operate continuously
when the shift lever is in R (Reverse), and the front windshield wiper is performing
low or high speed wipe ...
Online Owner Center
Manage your vehicle (U.S.) at gmc.com. Click on “Owners,” then “Manage My GMC/Owners Login.”
Information and services customized for your specific vehicle — all in one convenient place.
...
Federal Communications Commission (FCC) Rules and with Industry Canada Standards
See Radio Frequency Statement on page 13‑21 for information regarding Part 15
of the Federal Communications Commission (FCC) Rules and with Industry Canada Standards
RSS-GEN/210/220/310. ...