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:
Using the Radio to Control a USB Storage Device or iPod
The radio can control a USB storage device or an iPod using the radio buttons and knobs and display song information on the radio’s display.
(Tune): Turn to select files.
SEEK: Press to go to th ...
Instrument Panel, Vinyl, and Other Plastic Surfaces
Use a soft microfiber cloth dampened with water to remove dust and loose dirt.
For a more thorough cleaning, use a soft microfiber cloth dampened with a mild soap
solution.
Notice: Soaking or sat ...
Tire Messages
TIRE LOW ADD AIR TO TIRE
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays when the pressure in one or more of the vehicle's tires is low.
This message also displays LE ...