Retrieve My Number
1. Push 
. System responds:
“OnStar ready.”.
2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.”
See also:
Recommended Fuel
If the vehicle has a 2.4L L4 engine (VIN Code C), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly r ...
Automatic Dimming Rearview Mirror
On vehicles with an automatic
dimming inside rearview mirror the
automatic dimming reduces the
glare from the headlamps of the
vehicle behind you.
Vehicles with OnStar have three
control bu ...
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 ...