GMC Sierra Quiz
OnStar

Reactivation for Subsequent Owners

In this manual: OnStar
Introduction — 6In Brief — 46Seats and Restraints — 48Storage — 7Instruments and Controls — 75Lighting — 22Infotainment System — 22Climate Controls — 7Driving and Operating — 77Vehicle Care — 79Service and Maintenance — 26Technical Data — 8Customer Information — 25OnStar — 25Keys, Doors, and Windows — 38
~1min read

Push GMS Sierra: Reactivation for Subsequent Owners. The Advisor will update vehicle records and will explain the OnStar service offers and options available. and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.

Test yourself

A quick GMC Sierra quiz: every answer comes with an explanation and a link to the manual page.