Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Power Outlets
Accessory power outlets can be used to plug in electrical equipment, such as a cell phone, MP3 player, etc.
The vehicle may have two accessory power outlets located below the climate control system, ...
Pairing
A Bluetooth&-enabled cell phone must be paired to the Bluetooth system and then
connected to the vehicle before it can be used. See your cell phone manufacturer's
user guide for Bluetooth ...
Retrieve My Number
1. Push . System responds:
“OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...