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 
, and
an Advisor can run a check.
See also:
Vehicles Without a Navigation System
When the vehicle is on and the driver shifts into R (Reverse), the video
image automatically appears on the inside rearview mirror. Once the driver
shifts out of R (Reverse), the video image automat ...
Roadside Service (U.S. and Canada)
U.S.: 1-800-224-1400
Canada: 1-800-882-1112.
Text Telephone (TTY) Users (U.S. Only): 1-888-889-2438.
Service is available 24 hours a day, 365 days a year. ...
Passenger Airbag Status Indicator
The vehicle has a passenger sensing system. See Passenger Sensing System for
important safety information.
The overhead console has a passenger airbag status indicator.
United States
...