Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Connecting and Controlling a PlaysForSure Device (PFD) or Zune
Connecting a PFD or Zune
Connect the PFD or Zune to the USB port.
Searching for a Track
Tracks can be searched for by:
Playlists
Artists
Albums
Song Titles
Podcasts
Genres
To searc ...
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted to
change the PIN the first time when
speaking with an Advi ...
Resuming a Set Speed
Suppose you set your cruise control at a desired
speed and then you apply the brake. This, of
course, shuts off the cruise control. But you do not
need to reset it.
Once you are going about 25 m ...