How to update your payment method
Difficulty level: Novice | Time required: 5 Minutes | Tools required: None | Related parts, products, services or technology: Active vehicle profile
You can pay your OnStar® plans electronically using a credit card, bank account or PayPal®.
Update your payment method
1. Go to Buick.com.
2. Select the account icon.
3. Sign in to My Account.
4. Select Payments.
5. In the Payments section:
a. Select Add Payment Method (if a payment method does not appear).
-OR-
b. Select Switch Payment Method.
6. Select the payment method you’d link to use: credit card, bank account or PayPal.
Note: The payment method you select will be used for all recurring subscriptions.
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