Cadillac Automobile Owner's Manual page 184

A. / (Power/Volume)
B. (Eject)
C. Mark Touch Screen Button
D. (Zoom In) Touch Screen
Button
E. Map Scale
F. North Up/Heading Up Symbol
G. No GPS Symbol
H. Full map Touch Screen Button
I. Source (AM, FM, XM, CD, etc.)
J. Clock Touch Screen Button
K. POI (Point of Interest) Touch
Screen Button
L. (Zoom Out) Touch Screen
Button
M. Auxiliary Jack
N. / or / (Seek/Scan)
Key (Previous/Next)
O. (Tuning) Knob
P. / (Scan Up/Down)