isvan - vehicle has van style rear doors.
livery - If the car has multiple different textures, it will randomize between them.
noboot - you won't see the car parked at the side of the road with a ped looking inside the trunk/hood.
onlyduringofficehours - the car will only spawn during office hours and not at night.
truckenginefx - truck engine.
truckexhaustfx - more dust when changing gears .
truckfirefx - Larger flames when vehicle catches fire.
avoidturns - if the car is big, like bus, it will avoid sharp turns
bangerexhaustfx - dirty smoke
big - the car is big (Duuhhhrrrr)
delivery - it's a delivery car so only spawns in the daytime.
ext_all - spawns with all extras.
ext_conv - Convertable, this means that the driver can jump in the car without opening door.
ext_gang - spawns all extras simultaneously that are named extra_5 and above.
ext_rare - spawning with extras will be rare.
ext_requi - extra required, will always spawn with an extra.
ext_strong - This flag means that the extras won't come off easily when you crash the vehicle. Without this, they come off in light crashes.
ext_sunroof - switches the component at the top.
ext_taxi - will cycle through extras named extra_5 and above.
ext_script - has extra decorations on it which is activated with an external script (Useful with ELS, AI cars don't drive around with lights randomly on)
Edited by Tom H, 30 October 2012 - 03:20 PM.