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Profile and account security

With My Account, a single sign in gives you access to your rewards, vehicles and apps. Learn about Family Sharing and how to make account changes.

About your account PIN

Information about setting up and changing your PIN, and what to do if you forget it.

How to change your name and contact information in My Account

Learn how to change your name and contact information such as email address and phone number.

How to link OnStar account and My Account

Instructions for linking OnStar® account and My Account.

How to add or remove a vehicle from My Account

Instructions for adding or removing vehicles from My Account.

About Family Sharing

As the account owner, you can share vehicle information and available OnStar services with up to 8 additional Family Members. Learn about the features available to shared Family Members.

How to set up Family Sharing

Learn how to invite Family Members and manage your Family Group.

How to select a preferred dealer

Select a preferred dealer to make scheduling service appointments easier.

About Multi-Factor Authentication

Learn how Multi-Factor Authentication (MFA) is used for enhanced account security.

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