Limit: 1 vehicle per 30-day prepaid plan. Data allowances must be used in time period provided or will be forfeited. To start data usage before the 30-day auto renewal, you will need to sign up for a new plan. If you use your data allowance prior to your renewal, wireless data usage will be blocked. Data: Usage is calculated in full-kilobyte increments and rounded up to the next full-kilobyte increment. Payments are non-refundable (subject to applicable law). Payments: Monthly charges will automatically be billed to credit card on file on the 30-day mark unless cancelled. To cancel, call 1-88 or by accessing your account online. (Auto renew not available to residents of Quebec). Renewal: Plans auto renew every 30 days unless cancelled cancel anytime. Duration: Session-based prepaid plans for 30 days. Eligible GM vehicle, data plan and compatible SIM card required. You may choose to purchase/change plans during this gap to ensure continued usage.Ģ6b * Data Plans offered by AT&T for OnStar Members: Prepaid session-based data plans provide you with access to AT&T wireless data services for your equipped vehicle including, but not limited to, features that may be used with wireless data services, content and application. AT&T will charge your credit card for the purchase price of your data plan, including taxes and applicable fees, once every 30 days, starting when you click “Submit.” If you use all of the data on your plan prior to the 30-day mark, you will not have any usage available until the end of the 30 days when you are charged again for your next monthly plan. Other Monthly Charges/Line: May include applicable taxes and federal/state universal service charges, and in the case of Canada federal/provincial charges, Regulatory Cost Recovery Charge (up to $1.25) gross receipts surcharge an Administrative fee and other government assessments, which are not government-required charges. Coverage and services not available everywhere.

Geographic, usage and other restrictions apply and may result in service termination.

26a * General Wireless Service Terms: Subject to the AT&T Session-Based Wireless Data Services Agreement at att.com/CANTermsandconditions.

Onstar cost per month