Warning:An assistant should drive the vehicle while the technicianchecks for the location of the reported condition. Otherwise,personal injury could result.
Protective Goggles and Glove Warning
Eye Protection WarningDiagnostics
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 ...