By monitoring and reporting on the vehicle's key systems, OnStar Advanced Diagnostics provides a way to keep up on maintenance.
Capabilities vary by model. See www.onstar.com for details and system limitations. Message and data rates may apply. Advanced Diagnostics requires an active OnStar paid subscription, e-mail address on file, and enrollment in Advanced Diagnostics.
Includes:
to have an Advisor
initiate a remote diagnostic
report.Not all issues will deliver alerts.
In some cases, a dealer service check may be required to confirm the accuracy of the alerts.
To begin, press
to speak to an
Advisor, or see www.onstar.com.
Connections
OnStar Additional InformationHeated Oxygen Sensor Replacement - Sensor 1 Engine Control Engine Control Sensors O2 Sensors
Heated Oxygen Sensor Replacement - Sensor 1CalloutComponent NamePreliminary ProcedureRemove the intake manifold cover. Refer toIntake Manifold Cover Replacement.1Heated Oxygen SensorCaution:Do not remove the pigtail from either the heated oxygensensor (HO2S) or the oxygen sensor (O2S). Removing the ...