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 InformationAir Vents
Adjustable air vents are in the center and on the side of the instrument panel.
Move the slats to change the direction of the airflow. The center air vent does
not close completely.
Press the cover of the side air vents to open. Turn open slats clockwise or counterclockwise
to direct a ...
Pictures and Movies (Picture System)
The infotainment system can view picture files stored on a USB storage device
and devices that support Media Transfer Protocol (MTP).
Picture System Information
Caution for Using Picture Files
File size:
JPG: Within 64 to 5,000 pixels (Width) and 64 to 5,000 pixels (Height).
BMP, PNG, GIF ...
Tire Designations
Tire Size
The following is an example of a typical passenger vehicle tire size.
(1) Passenger (P-Metric) Tire: The United States version of a metric tire sizing
system. The letter P as the first character in the tire size means a passenger vehicle
tire engineered to standards set by the U. ...