If you would like your auto-renewable subscription renewed with a new payment method, you can change the payment information in your Parallels account:

1. Log in to your Parallels account at my.parallels.com.
2. Click on Active Subscriptions under the product in question, you will see the list of your Parallels subscriptions.
3. Click on the subscription you would like to change payment method for.
4. Click on Payment Options, and you will be redirected to the page where you can manage the payment method.