Hello guys. I was wondering if some one can assist me with ELS and Native Trainer. I want to change the lighting patterns on my cars but every time it spawns a random vehicle instead on top of my vehicle. I want to change the key bindings for using ELS to something more simple like it was is GTAIV. Changing the lighting patterns and changing between sirens faster. I can use controller and keyboard at the same time, just need to setup my keybindings better.  Thanks.

You can disable the trainer keybindings in the "Options" section (in-game). Its one of the last options I think. You're looking for "Keyboard Bindings" and "Controller Bindings". Disabling these will stop you from accidentally spawning vehicles and setting trainer settings with keystrokes.

Try using https://gta5-mods.com/scripts/simple-trainer-for-gtav 

it is easy to use, controller friendly, and will not interfere with any ELS key bindings