136Instruments and controlsOn-demand diagnostics
At any time e.g. if the vehicle displays a service message, press Z to
contact an OnStar advisor and ask to
complete a real-time diagnostic check to directly determine the issue.
Depending on the results, the advisor
will provide further support.
Monthly vehicle diagnostics
The vehicle automatically transmits
diagnostic data to OnStar which
sends a monthly email report to you
and your preferred workshop.
Notice
The workshop notification function
can be disabled in your account.
The report contains the status of key
operating systems of the vehicle like
engine, transmission, airbags,
antilock brakes, and other major
systems. It also provides information on possible maintenance items and
tyre pressure (only with tyre pressure
monitoring system).
To look at the information in greater
detail, select the link within the email
and log into your account.Destination download
A desired destination can be directly
downloaded to the navigation system.
Press Z to call an OnStar advisor and
describe the destination or point of
interest.
The OnStar advisor can look up any
address or point of interest and
directly download the destination to
the built-in navigation system.
OnStar settings
OnStar PIN
To have full access to all OnStar
services, a four-digit PIN is required. The PIN has to be personalised when first talking to an OnStar advisor.
To change the PIN, press Z to call an
OnStar advisor.
Account data
An OnStar subscriber has an
account, where all the data is stored.
To request a change of the account
information, press Z and talk to an
OnStar advisor or logon to your
account.If the OnStar service is used on
another vehicle, press Z and request
that the account be transferred to the
new vehicle.
Notice
In any case, if the vehicle is disposed of, sold or otherwise transferred,
immediately inform OnStar about
the changes and terminate the
OnStar service on this vehicle.
Vehicle location
The vehicle location is transmitted to OnStar when service is requested ortriggered. A message on the Info-
Display informs about this
transmission.
To activate or deactivate the
transmission of the vehicle location,
press and hold j until an audio
message is heard.
The deactivation is indicated by the
status light flashing red and green for
a short period of time and each time
the vehicle is started.
Notice
If the transmission of the vehicle
location is deactivated, some
services are no longer available.
