Dual Tone Multi-Frequency (DTMF) Tones
The in-vehicle Bluetooth system can send numbers and numbers stored as name tags during a call. This is used when calling a menu driven phone system.
Account numbers can be programmed into the phonebook for retrieval during menu driven calls.
See also:
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF
in each shift lever position.
The ignition should turn to LOCK/OFF only when the shift lever is in P (Park).
...
Additives
To provide cleaner air, all gasolines in the
United States are now required to contain additives
that will help prevent engine and fuel system
deposits from forming, allowing your emission
control ...
OnStar® Virtual Advisor
OnStar® Virtual Advisor is a feature of OnStar®
Hands-Free Calling that uses your minutes
to access location-based weather, local traffic
reports, and stock quotes. By pressing the phone
button ...