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:
Using the System
When the driver shifts the vehicle
into R (Reverse), the video image
automatically appears on the
navigation screen, or on the inside
rearview mirror. Once the driver
shifts out of R (Revers ...
Replacing LATCH System Parts After a Crash
WARNING
A crash can damage the LATCH system in the vehicle.
A damaged LATCH system may not properly secure the child restraint, resulting
in serious injury or even death in a crash.
To help make ...
Heated Mirrors
(Rear Window Defogger):
Press to heat the mirrors.
See Dual Automatic Climate Control
System. ...