OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationSmartphone Link (Pandora)
Some images and explanations may vary by phone operating systems, versions, and/or
application (App) versions.
Using Pandora
Install the Pandora application on the smartphone.
Connect the smartphone to the infotainment system through the USB port or
Bluetooth wireless technology.
i ...
Smartphone Link (Stitcher)
Some images and explanations may vary by phone operating systems, versions, and/or
application (App) versions.
Using Stitcher
Install the Stitcher application on the smartphone.
Connect the smartphone to the infotainment system through the USB port or
Bluetooth wireless technology.
...
Warning Lights, Gauges, and Indicators
Warning lights and gauges can signal that something is wrong before it becomes
serious enough to cause an expensive repair or replacement. Paying attention to
the warning lights and gauges could prevent injury.
Warning lights come on when there could be a problem with a vehicle function.
Some ...