Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block,
and Roadside Assistance, if the vehicle is equipped with these services. OnStar
can unlock the vehicle doors remotel ...
From Map
This destination entry method allows you to select a destination by scrolling
on the map.
From Map: Press to enter the From
Map destination entry method.
To use this destination entry method: ...
Reclining Seatbacks
To adjust the seatback:
Tilt the top of the control rearward to recline.
Tilt the top of the control forward to raise.
See Reclining Seatbacks . ...