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 InformationStarter Switch Check
Warning
When you are doing this inspection, the vehicle could move suddenly.
If the vehicle moves, you or others could be injured.
Before starting this check, be sure there is enough room around the vehicle.
Apply both the parking brake and the regular brake.Do not use the accelerator
pe ...
Smartphone Link (Overview)
Before Using Smartphone Link
If equipped, the vehicle can connect to Pandora®, Stitcher SmartRadio®, or other
available applications through the infotainment system.
The applications must be downloaded to the device first, then the device can
be connected to the infotainment system.
Pandora i ...
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying General Motors.
If NHTSA receives similar complaints, it may open an investig ...