This article is a step by step breakdown on how to hide not available classes in Step 2 of the reservation process. This is useful if you have a long list of vehicle class. It will remove the vehicle class that has no availability from the list.
Step 1
Firstly, navigate to Settings → Car Rental as shown in the picture below highlighted in dark blue.
Step 2
Secondly, select “Yes” under “Hide Not Available Classes on Cars Step” as shown in the picture below highlighted in red.