Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Safety Belts
This section of the manual describes how to use safety belts properly. It also
describes some things not to do with safety belts.
WARNING
Do not let anyone ride where a safety belt cannot be worn ...
The Package
Unlike the GMC Yukon and other truck-based SUVs, the Acadia is based on an
all-new carlike platform. Because it doesn't use a truck's heavy-duty
underpinnings, there's more room in the cabin for s ...
Windshield Washer
WARNING
In freezing weather, do not use the washer until the windshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision.
(Washer
Fluid): Push the paddle ...