#13-00-89-006: Warranty Administration – Changes in Powertrain Warranty Coverage Effective with 2010 Model Year - (May 28, 2013)
ElectronicsDiagnostics
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
OnSt ...