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:
MP3/WMA Format
The Single CD and the Six-Disc
CD Radio will play MP3/WMA files
that were recorded on a CD–R or
CD–RW disc. The HDD Radio can
also play MP3/WMA files recorded
on DVD+/-R discs or stored on a ...
Power Mirrors
Manual Folding Mirrors Shown
To adjust the mirror:
1. Move the selector switch to L (Left) or R (Right) to choose the driver or
passenger mirror.
2. Press the arrows on the control pad to ...
Audio System
When using the in-vehicle Bluetooth
system, sound comes through the
vehicle's front audio system
speakers and over-rides the audio
system. Use the audio system
volume knob, during a call, to ...