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:
Event Data Recorders
This vehicle has an Event Data Recorder (EDR). The main purpose of an EDR is
to record, in certain crash or near crash-like situations, such as an airbag
deployment or hitting a road obstacle, data ...
Filling the Tank
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid
injuries to you and others, read and follow all the instructions on the fuel pump
island. Turn off th ...
Previous Destination
The previous destination entry method lets you select a destination from a list
of previous destination points.
Previous Destination: Press to access
the Previous Destination screen. The syste ...