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:
SERVICE POWER STEERING
This message displays if a problem
is detected with the speed variable
assist steering system. When this
message is displayed, you may
notice that the effort required to
steer the vehicle in ...
Rear Vision Camera (RVC)
If available, the RVC displays a view of the area behind the vehicle when
the vehicle is shifted into R (Reverse). The display will appear on either the
inside rearview mirror or navigation screen, ...
Trunk Release
The remote trunk release button
is on the driver door, inside the
storage compartment under the
armrest.
Vehicles with an automatic
transmission, the shift lever must
be in P (Park) or N ...