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:
Connecting a USB Storage Device or iPod®
To connect a USB storage device, connect the device to the USB port located in the instrument panel storage area. See Instrument Panel Storage on page 4‑1 for more information.
The USB port c ...
Deleting a Paired Phone
If the phone name you want to delete is unknown, see “Listing All Paired and Connected Phones.” 1. Press and hold for two seconds.
2. Say “Bluetooth.” 3. Say “Delete.” The system asks wh ...
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced.
If the wheel leaks air, replace it.
...