Via the Tire Stock Report

1. Navigate to Insights → Reports → Tire Stock Report. 
2. To see all winter/summer tires in storage with their current storage location, click the Filter button and in the Season Type filter select winter/summer, then click Apply . 
3. You can also uncheck the "Show Open Appts" checkbox before applying the filters to exclude customers that already have an appointment. 
4. Click on the Export to CSV icon (square with arrow sticking out) above the list of records on the right to export the list.

Via the Analytics

1. Navigate to Insights → Analytics → Customers → Customer Vehicles with Tires In Storage widget.
2. Click on the blue or yellow portion of the widget to generate a list of all customer vehicle that still have winter or summer tires in storage. 
3. If the customer has an appointment, it will be listed in the Appointments column. 
4. Click on the Export to CSV icon (square with arrow sticking out) above the list of customers on the top right to export the list.