GMC Yukon 2012 Owner's Manual page 501

Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if the
vehicle is equipped with the Tire
Pressure Monitoring System. If a
diagnostics check is needed
between e-mails, push
Advisor can run a check.
OnStar Additional
Information
Transferring Service
Push to request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has changed, OnStar
, and an
may send a voice message to the
vehicle, requesting updated account
information.
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.
I n f o r ma t i o n P r o v i d e d b y :
OnStar
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free Calling
are available on most vehicles. Not
all OnStar services are available
everywhere or on all vehicles. For
more information, a full description
of OnStar services, system
limitations, and OnStar terms and
conditions, see www.onstar.com
(U.S.) or www.onstar.ca (Canada);
contact OnStar at 1-888-4-ONSTAR
(1 888 466 7827) or TTY 1 877
248 2080; or push to speak with
an Advisor. OnStar services require
a vehicle electrical system, wireless
service, and GPS satellite
technologies to be available and
operating for features to function
properly. These systems may not
operate if the battery is discharged
or disconnected.
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