Eligible 2015 and newer vehicles receive 1 month OnStar Safety & Security Plan and 1 month Connected Services which include navigation, Remote Access Plan, and 1 month or 3GB of 4G LTE data (whichever comes first) from activation. Eligible 2011–2014 vehicles receive 1 month OnStar Safety & Security Plan and 1 month Connected Services which include navigation services and Remote Access Plan from activation. Services are subject to user terms and limitations and capabilities vary by model. When you select a paid monthly plan within 15 days of activation, you’ll receive an additional 2 months of the plan you select at no additional charge. 2 month extension must be redeemed within 15 days of activation date. Requires that you enroll in a monthly service plan and associate a payment method on file. After trial expires, OnStar will automatically bill your payment method each month. Plans containing 4G LTE data will be billed every 30 days by AT&T. You may cancel at any time by pressing your blue OnStar button or by calling 1.888.466.7827. See onstar.com for details and further plan limitations. Data plan provided by AT&T. Availability subject to change.