Select   "View"  in the Tools menu and select the " Reminders" link.

You will see the list of reminders due on the date highlighted in the calendar. This date will be the date of the system you are working with.

The reminders records will show

1.The warranty reminders due,

2.The checkup reminders due,

3.The Greeting messages due.

For that specific date.

For seeing reminders due on other dates, you will have to click on that date in the calendar.