How much is Onstar Unlimited Data and Connected Services Plans Cost a Month?
The Unlimited Access Plan and the Unlimited Access + Safety & Security Plan bundle both offer unlimited data at up to 4G LTE speed. Visit Plans & Pricing for plan information. Data plans are provided by AT&T. You can purchase 4G LTE data through your Owner Center account or by pushing your blue OnStar button. Ask the Advisor to add unlimited data to your account. Get this plan at our lowest price ever — only $15/month plus tax — until 10/31/19.
$15 for a 30-day prepaid unlimited plan. The plan auto-renews every 30 days at the $15 price point until cancel.
Data Restrictions: After 22GB of data usage on vehicle Wi-Fi hotspot in a bill cycle, for the rest of the cycle AT&T may slow data speeds on vehicle Wi-Fi hotspot during periods of network congestion.