Hit "F1"
Select "Vehicle Related Options"
Select "Vehicle Spawner"
Select "Addon Vehicles"
You can now spawn any addon car!
These are both important menus with settings you should customize!
Hit "F1"
Select "Misc Settings"
This has important settings including location display and map features.
Hit "F1"
Select "Player Related Options"
Select "Player Options"
This has important settings including your player's wanted level, health, and abilities.