Place a Call Using a Stored Number
1. Push 
. System responds:
“OnStar ready.”.
2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.”
See also:
Gasoline Octane
If the vehicle has the 3.9L V6 engine (VIN Code 1) or the
3.9L V6 engine (VIN Code M), use regular unleaded
gasoline with a posted octane rating of 87 or higher. If the
octane rating is less tha ...
Automatic Climate Control System
For vehicles with this system, it controls the heating, cooling, and
ventilation.
A. Power
B. Temperature Control
C. Fan Control
D. Air Delivery Mode Control
E. Recirculation
F. AUTO (Automa ...
Setting the 12/24 Hour Format
1. Press the CONFIG button and
select Time Settings,
or press .
2. Highlight 12/24 Hour Format.
3. Press SELECT to select the
12 hour or 24 hour display
format. ...