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 InformationStabiliTrak® OFF Light
This light comes on briefly while
starting the engine. If it does not, have the vehicle serviced by your dealer.
This light comes on when the StabiliTrak system is turned off.
If StabiliTrak is off, the Traction Control System (TCS) is also off.
If the StabiliTrak and TCS are off, the system do ...
Head Restraint Removal and Reinstallation
The rear outboard head restraints can be removed if they interfere with the proper
installation of the child restraint.
To remove the head restraint:
Partially fold the seatback forward. See Rear Seats on page 3-8 for additional
information.
Press both buttons on the head restrai ...
Smartphone 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 ...