Car high beam control (click and hold)
Hold your custom keyboard key to turn high beam on and release it to turn off. Also car lights works normally.

Details
If game high beam is turned on and you press/release the hotkey, it'll be low beam.

Usage & Customize
In my case (this script) 'Q' is high beam. I changed radio key to 'R' and...
It's easier to use 'Q' and 'E' for high beam and horn.
Also if you changed game's default horn key ('H') you have to do change on script file too.
You can change keys in 'carBeamControl.lua' file. Lines 13 and 16.

Installation
Put file 'carBeamControl.lua' in folder 'Grand Theft Auto V/scripts/addins'

Requirements
Script Hook V
LUA Plugin