Favorite hero?

Brake lights: gives some warning to the drivers behind you
Interior: these only toggle for a few seconds while the door is opened
License plate lights
Trailer support: two main connection types:
Light vehicle connection
Heavy vehicle (truck) connection
Fuel system youtube showcase:
Multiple fuel types, 3 fuel types by default, all have different pricing, refuel speed, weight
Lid positions: can only refuel the vehicle at its fuel tank lid
Dynamic fuel capacity, consumption: depending on many variables, including engine stress, speed, mass, towed mass
Fuel stations
Fuel pickup entities: gas station too far? No problem
Customizable: can override the prices, speeds, some other fancy things
Ingame menu to add/remove fuel stations
Persistence: once placed they will spawn automatically the next time and respawn if needed
Custom jerry can weapon: fully Lua animated can carry fuel in hands to your vehicle
Passenger seats:
Ingame key bindings to switch between seats
Custom exit positions
Different seat types: for example seats in ELS vehicles does not allow to switch to forward or exit
Drive-by mode - allows passengers to fire weapons while in a vehicle
In-car precise player damage: overrides the default vehicle damage, precision can be altered