Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier.
- Press 
to answer an incoming call when another call is active. The original call
is placed on hold.
- Press again to return to the original call.
- To ignore the incoming call, no action is required.
- Press 
to disconnect the current call and switch to the call on hold.
See also:
Competitive Driving Mode
To select this optional handling
mode, press the TCS/StabiliTrak
button quickly two times and
STABILITRAK COMPETITIVE
MODE displays in the Driver
Information Center (DIC). While in
the Sta ...
Playing from the Hard Drive Device
HDD (Hard Drive Device): Press
the HDD button to start playing
tracks from the HDD. HDD displays
and playback resumes from where it
was last stopped.
HDD Playback ModeThe infotainment system ...
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 veh ...