Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Off-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder
while driving. Follow these tips:
1. Ease off the accelerator and then, if there is nothing in the way, steer the ...
Distance to Destination
This display will show the vehicle distance with estimated time of arrival
to destination. The value can be cleared or reset by pressing the SET/CLR
button. Move the thumbwheel up or down to increas ...
OnStar Mobile App
With an iPhone® or
Android™-based mobile device,
an OnStar mobile app can be
downloaded. The vehicle can be
remote started, if equipped, or the
doors can be unlocked from
anywhere there is ...