Horn
Pressaon 
the steering wheel pad
to sound the horn.
See also:
LED Lighting
The vehicle may have LED headlamps. For replacement of the LED lighting assembly
contact your dealer. ...
Storing and Deleting Phone
Numbers
The system can store up to
30 phone numbers as name tags
in the Hands-Free Directory that is
shared between the Bluetooth and
OnStar systems.
The following commands are used
to delete and s ...
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 r ...