Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Auto Rear Defog
This will allow you to turn the auto rear defog on or off.
Press the MENU/SELECT knob when Auto Rear Defog is highlighted to open the
menu.
Turn the knob to highlight On or Off. Press the knob ...
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment. Added
electrical equipment may interfer ...
Accepting or Declining a Call
When an incoming call is received, the infotainment system mutes and a ring
tone is heard in the vehicle.
Accepting a Call
Turn the MENU/SELECT knob to “Answer” and press the MENU/ SELECT knob ...