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:
Submenus
An arrow on the right-hand edge of
the menu indicates that it has a
submenu with other options. ...
Portable Audio Devices
Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in
the center console. External devices such as iPods®, laptop computers, MP3 players,
CD changers, and USB drives may ...
Electric Power Steering
Your vehicle has electric power steering. It does not have power steering fluid.
Regular maintenance is not required.
If power steering assist is lost due to a system malfunction, the vehicle can
...