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About your account PIN

Your four-digit Personal Identification Number (PIN) provides an added level of security when purchasing minutes, upgrading your plan, and using Remote Start and other OnStar® Services* features.

How to set up your PIN

1. You are prompted to create your four-digit PIN when you first set up My Account.
2. Use a PIN you can remember but one that others won’t be able to guess. For example, avoid PINs such as 0000, 1234 or your birthday.

How to change your PIN

Desktop & mobile browser


1. Go to

2. Select the account icon.

Account Icon

3. Sign in to My Account.
4. Under the Account heading, select the Login & Security tile.
5. You will be taken to the Security page, where categories such as Email, Password and PIN will appear. For security reasons, only your email will be displayed; your password and PIN will be masked.
6. In the PIN area, select the Change PIN button. Another screen will open.
7. Enter a new PIN and then reenter it to confirm it. Use a PIN you can remember but one that others won’t be able to guess.
8. Reenter your password to confirm your change. The change to your PIN will take effect immediately.

Mobile app


1. Open the myBuick Mobile App*.
2. Sign in to My Account.

3. Select the account icon.

Account Icon

4. Select Manage Account.
5. You will then be directed to the My Account experience on your mobile browser. From there, you can follow the steps above to change your PIN. 

I forgot my PIN. What should I do?

1. If you forgot your PIN, sign in to My Account and change it.
2. See the instructions above.

For your security, please don’t include personal info such as phone number, address or credit card details.


How do I reset my OnStar pin?

A PIN is needed to access some OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar (1.888-4ONSTAR) and provide the Advisor with the current number. 

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Communicate with one of our specialists.

To find out if your vehicle has this feature, contact your dealer or refer to your vehicle’s equipment list. Please check your Owner’s Manual for more information about features.