Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Wireless Headphones
The two wireless headphones included with the Headrest DVD RSE system will only
work with the Headrest DVD RSE system and are marked for channel 3 and 4. The wireless
headphones must be used withi ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
Sound Menu
(Sound): Press this key or press
CONFIG to access the Sound menu to adjust the treble, midrange, bass, fade, balance,
and Digital Signal Processing (DSP). The system automatically stores audio ...