You can either add Service Plans to the Straight Talk ReserveTM or view Service Plans already reserved.
All You Need TM Customers: If you notice you need to add a reserved Service Plan sooner, log in to My Account and add it the day you need it.
Unlimited customers: Cards are added automatically and your Service End Date is extended.
Be sure to visit My Account to make sure you have reserved Service Plans available. You can add as many as you like, whenever you like.