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:
Setting the Auto Time Adjust
]1. Press the CONFIG button and
select Time and Date Settings,
or press .
2. Highlight Auto Time Adjust.
3. Press SELECT to turn Auto
Time Adjust on or off.
4. Press SELECT button to select
...
Heated Mirrors
For vehicles with heated mirrors:
(Rear Window Defogger):
Press to heat the mirrors.
See “Rear Window Defogger” under
Automatic Climate Control System for more information. ...
To Transfer Audio to the Cell Phone
During a call with the audio in the vehicle:
1. Press . The system responds with
“Ready”
followed by a tone.
2. Say “Transfer Call.” The system responds with
“Transferring call” an ...