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 Delete Command
The delete command is used to delete specific name tags.
To delete name tags:
1. Press
.
► For vehicles without a navigation system, the system responds “Ready,” followed by a tone.
...
Capacities and Specifications
The following approximate capacities are given in English and metric
conversions. See Recommended Fluids and
Lubricants for more information.
Engine Specifications
...
Setting the Clock
See Clock (Radio with CD and
Touchscreen) for more
information. ...