Looks like you will need a basic On Star plan in place for your car and you will need to add the On Star number as a second phone on your Verizon account.
From the On Star website:
Now there'* a wireless plan no one else can offer. It'* the Verizon Wireless America'* ChoiceSM Plan with OnStar, a Family SharePlan that lets you share your Verizon Wireless Plan minutes between your wireless phone and your OnStar Hands-Free Calling.
Make OnStar Hands-Free calls for less using your Verizon Wireless Family SharePlan minutes.
Add your vehicle as a second line to a Verizon Wireless America'* Choice Family SharePlan for more value and convenience.
Make and receive hands-free, voice-activated calls on the road easily at the touch of a button.
Get unlimited nights and weekend minutes, and with National IN Calling get unlimited calls to other Verizon Wireless customers without using plan minutes.
Enjoy the simplicity of one plan, one package of minutes, and one bill for all of your calls.
Forward your calls from your Verizon Wireless phone to your OnStar Hands-Free calling to enjoy the convenience of hands-free calling while driving.
With Verizon Wireless you'll get the Nation'* most reliable wireless network.
With our world moving faster than ever, staying connected can be a challenge.
But now there'* the America'* Choice Plan with OnStar, the smart, simple and most comprehensive way to stay in touch-- on and off the road.
America'* Choice Plan with OnStar Eligibility Requirements
Eligible subscribers must have:
Minimum one-year remaining OnStar subscription and one-year Verizon Wireless contract required.
Vehicles must be equipped with OnStar digital hardware*.
Must be in an eligible market.
* To verify eligibility, 1.888.4.ONSTAR (1.888.466.7827).
Copyright © 2006 OnStar Corp. All rights reserved
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