Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
...
Universal Remote System Programming
This system provides a way to replace up to three remote control transmitters used to activate devices such as garage door openers, security systems, and home automation devices.
Do not use the Uni ...
Where to Put the Restraint
According to accident statistics, children and infants are safer when properly
restrained in a child restraint system or infant restraint system secured in a rear
seating position.
We recommend t ...