Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Roof Rack System
WARNING
If something is carried on top of the vehicle that is longer or wider than the
roof rack—like paneling, plywood, or a mattress—the wind can catch it while the
vehicle is being driven. ...
Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle.
The vehicle can also be controlled from a cell phone through the OnStar mobile app.
See www.onstar.com for coverage ...
Compact Spare Tire
WARNING
Driving with more than one compact spare tire at a time could result in loss
of braking and handling. This could lead to a crash and you or others could be injured.
Use only one compact s ...