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When your credit card has expired, or the remaining balance is insufficient and you are unable to automatically renew your subscription, automatic renewal will also be stopped.
You can renew with the following steps if automatic renewal fails.
1. Open the Google Play Store.
2. From Payments and Subscriptions, tap Subscriptions, then Mario Kart Tour.
3. Choose from the following:
・ For active subscriptions, tap Manage.
・ To fix your payment method, tap Update.
Note: If you can't find the appropriate button, or for details on how to do this, please check with Google.
Check "How can I check my subscription status?" Please confirm any other issues regarding payment with Google.