- In the main menu, go to Customer Management > ­Reports  

- Click on the option ''Send email and text messages / Print labels'' 

- Activate the option ''Last customer invoice by vehicle report'' 

- The date range can be changed freely by clicking on the calendar icons. If the date range is unchanged, every customer/vehicle will be part of the list.

Note: If you do not want to include deleted vehicles, you can check the option as shown below.  
You can also narrow the query by the number of visits, purchases in dollars and even by item or category. 

Here's an example of a client list with their respective vehicles: 
IMPORTANT: MS Excel 97-2000 (data only) is the best format to export a client list from GEM-CAR because it lets you sort the list by customer or vehicle, as well as convert to any other format. To choose this format, click on the mail icon at the top of the file and pick the 6th option down before clicking OK.