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, dat ...
Fuses and Circuit Breakers
If the vehicle is a hybrid, see the hybrid supplement for more information.
The wiring circuits in the vehicle are protected from short circuits by a combination
of fuses, circuit breakers and fusi ...
Driving in Water
WARNING
Driving through rushing water can be dangerous. Deep water can sweep your vehicle
downstream and you and your passengers could drown. If it is only shallow water,
it can still wash a ...