Audio System(S) - GMC 2010 T-Series Owner's Manual

The main components of the instrument panel are the following:
A. Rear Reading Lamps on page 3 15.
B. Cruise Control on page 3 10.
C. Turn Signal/Multifunction Lever on page 3 7.
D. Instrument Panel Cluster on page 3 21.
E. Windshield Wipers on page 3 9 and Windshield
Washer on page 3 10.
F. Outlet Adjustment on page 3 18.
G. Climate Control System on page 3 17.
H. Diesel Engine Exhaust Brake on page 2 16.
I. Outside Heated Mirrors on page 2 34
(If Equipped).
J. High Idle Button. See Manual High Idle System
under Starting the Diesel Engine on page 2 8.
Power Take-Off (PTO) on page 2 20
(If Equipped).
K. Front Panel Release. See Lifting the Front Panel
on page 5 53.
L. Tilt Steering Column. See Tilt Wheel on page 3 6.
M. Horn on page 3 6.
N. Air Brake Controls (If Equipped). See Parking
Brake (With Hydraulic Brakes) on page 2 23 or
Parking Brake (With Air Brakes) on page 2 24.
O. Two-Speed Rear Axle Button. See Two-Speed
Rear Axle on page 2 21. Air Suspension Indicator
(If Equipped). See Air Suspension on page 2 26.
Air Suspension Button (If Equipped). See Air
Suspension on page 2 26. Differential Lock
Button (If Equipped). See Rear Axle Differential
Lock Control on page 4 6.
P. Audio System(s) on page 3 40.
Q. Marker and Clearance Lamp Button. See Marker
Lamps on page 3 14.
R. Overdrive Defeat Button. See Overdrive Defeat
under Automatic Transmission Operation on
page 2 16.
S. Cigarette Lighter. See Ashtray(s) and Cigarette
Lighter on page 3 16.
T. Traction Control System (TCS) on page 4 7.
U. Diesel Particulate Filter on page 2 28.
3-5