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:
Information Displays
Driver Information Center (DIC)
The DIC displays information about the vehicle. It also displays warning
messages if a system problem is detected. See Vehicle Messages for more
information. All m ...
Removing the Spare Tire and Tools
To access the spare tire and tools:
1. Open the liftgate. See Liftgate .
2. Press on the bottom of the handle assembly to unlatch it and lift up on
the handle.
The prop rod locks into pl ...
CD/DVD Player
The infotainment system's CD/DVD
player can play audio discs and
MP3 discs.
Discs that are 8 cm (3 in) in
diameter will not work in the
CD/DVD player.
The CD/DVD player does not
support th ...