Will I receive lesson reminders by email or SMS?

Yes. You will receive 24-hour and half-hour email reminders prior to the lesson. 

In addition, you can set your phone number in the Account Settings and "Account Settings > Send SMS Reminders" to receive SMS reminders. Only half-hour SMS reminders will be sent.

Please make sure to set your phone number when enabling SMS reminders. Also, don't forget to click the "Save Changes" button on the bottom of the screen, after making changes to the account settings.