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:
Manual Operation
(Power): Press to turn the fan
on or off.
(Fan Control): Press to
increase or decrease the fan speed.
The fan speed setting appears on
the main display. Pressing either
button cancels auto ...
3.5mm Jack
Connect a 3.5mm (1/8 in) cable to
the auxiliary input jack to use a
portable audio player.
Playback of an audio device that is
connected to the 3.5mm jack can
only be controlled using the con ...
Automatic Crash Response
In a crash, built in sensors can automatically alert an
OnStar advisor who is immediately connected to
the vehicle to see if you need help. ...