Dual Tone Multi-Frequency (DTMF) Tones
The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system.
Account numbers can also be stored for use.
To send a number or name tag during a call:
1. Press 
. For vehicles with a
navigation system say “Hands
Free” after the tone.
2. Say “Dial.” 3. Say the number or name tag to send.
See also:
Headlamp Aiming
The vehicle has a visual optical
headlamp aiming system. The aim
has been preset at the factory and
should need no further adjustment.
However, if the vehicle is damaged
in a crash, the headl ...
Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com
to their Turn-by-Turn Navigation or screen-based navigation system. When ready,
the directions will be downlo ...
Rear-Seat Pass Through
If the vehicle has the rear-seat pass
through door, the trunk can be
accessed through the rear seat.
This is useful when transporting
long items.
To open the door, pull down the rear
seat ar ...