Account

Get help with My Account, plans and services, My Buick Rewards, and warranty.

How can we help?

How do I recover my password?

Manage my OnStar plan

Make a payment to my GM Financial account

How do I redeem points from My Buick Rewards?

Profile and account security

Security information and how to make changes to My Account.

Plans and services

Managing your OnStar plans, SiriusXM account, and helpful tips if you’re having issues.

My Buick Rewards

Information on program enrollment, earning and redeeming points, program tiers and the My Buick Rewards Card.

Payments

Managing payments for your plans and services.

Account notifications

How to manage notification preferences.

About your warranty

Learn how to check the status of your vehicle warranties, the differences between a powertrain and bumper-to-bumper warranty, and details about Roadside Assistance.

Need more help or have feedback?

Communicate with one of our specialists.