Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Climate Control Systems
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
A. Fan Control
B. Air Delivery Mode Controls
C. Temperature Control
D. Outside Air
E. Front ...
Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands&-Free Directory
that is shared between the Bluetooth and OnStar systems.
The following commands are used to delete and stor ...
Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck
capability combined with greater off-road versatility. It is highlighted by a
bold exterior design, enhanced all-terrain ...