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 
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Advisor can run a check.
See also:
Trunk (Sedan, Coupe)
WARNING!
Exhaust gases can enter the
vehicle if it is driven with the
liftgate or trunk/hatch open,
or with any objects that pass
through the seal between the
body and the trunk/hatch or
...
Glass Replacement
If the windshield or front side glass must be replaced, see your dealer to determine
the correct replacement glass. ...
Power Outlets
The accessory power outlets can be used to plug in electrical equipment,
such as a cell phone or MP3 player.
The vehicle has four accessory power outlets. The power outlets located
below the clim ...