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" width=19
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Advisor can run a check.
See also:
CD Player (Radio with CD)
The CD player can play audio CDs and MP3 CDs.
The CD player will not play 8 cm(3 in) CDs.
Care of CDs
Sound quality can be reduced due to disc quality, recording method, quality
of the music ...
Checking Engine Oil
It is a good idea to check the
engine oil level at each fuel fill.
In order to get an accurate reading,
the vehicle must be on level
ground. The engine oil dipstick
handle is a yellow loop. S ...
Touch-Sensitive Screen Buttons
Touch-sensitive screen buttons are located on the screen. When a screen button
has been selected, a beep sounds. Screen buttons are highlighted when a feature
is available. ...