The MVIRS CRM (Customer Relationship Management) menu contains an option for Inspection Reminders.  Choose a "from" and "to" month/year to see a list of all vehicles coming due for inspection during that period.  Inspection reminders can be sent via e-mail, or mailing labels can be printed (for use with pre-printed postcards). Standard Avery label stock can be purchased from any office supply store for printing mailing labels.
The format of e-mailed inspection reminders can be customized to include any message(s) you may wish to add to advertise specials, etc.  To use this feature, you should enter customer e-mail addresses whenever possible.
MVIRS can also print mailing labels for alphabetic groups of customers, without regard to inspection due dates. These mailing labels could be used to advertise specials, send holiday greeting cards, etc.