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:
Cruise Control
Your vehicle has cruise
control. The controls are
located on the end of
the turn signal/
multifunction lever.
(On): Move the switch to
this position to turn
the cruise control system on.
...
Entering the Personalization
Menus
1. Press CONFIG to access the
Configuration Settings menu.
2. Turn the Menu knob to highlight
Vehicle Settings.
3. Press SELECT to select the
Vehicle Settings menu.
The following list of menu ...
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
To Mute a call
1. Press
.
The system responds “Ready,” followe ...