Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Engine Compartment Overview
6.2L V8 Engine
A. Engine Air Cleaner/Filter .
B. Coolant Surge Tank and Pressure Cap. See Cooling System .
C. Remote Positive (+) Terminal. See Jump Starting .
D. Battery ...
Vehicle Information Display Menu Items
(Vehicle Information): Press
to display the following menu items: ...
Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for others to see the front
of your vehicle during the day.
Fully functional daytime running lamps are required on all vehicles first
sold in Canada ...