There are no screens to look at or keypads to push. The way it is designed, drivers are able to keep their hands on the wheel and their eyes on the road. The phone is embedded in the vehicle. Again, there is no handset to hold or keypad buttons to push. Subscribers purchase cellular time from OnStar through a selection of competitively priced pre-paid packages.
Conversation is heard through the sound system speakers.
Additional usage charges apply. Limited 2001MY availability in select markets. OnStar services require wireless service to be available and operating for features to function properly. This number connects you to the OnStar Call Center where advisors are available 24 hours a day, seven days a week. You can even have it delayed up to 15 minutes to give you enough time to get to your vehicle.