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Interesting.

Same problem (for on foot bodyguards) as darkphoenixxx & hasiskarhu.

It crashes the (1.0.2245.0) game with this script:
https://fr.gta5-mods.com/scripts/bodyguard-squads (1.1)
And this problem is apparently not present by using instead:
https://fr.gta5-mods.com/scripts/bodyguard-squads-gang-version (1.0)
Otherwise, thank you for this mod.
Who does (notably) what I was research to do:
blur deactivation of the pause menu

@James HortonCZ @Nikls
And/Or other to whom it can be useful.

Uninstall:

With 7-Zip software,
open and extract the mod installation file, nammed:
c47f90-REALISM Enhanced Traffic And Driver AI.oiv
Then open (with Notepad++ software) the file nammed: assembly.xml
At the bottom of this one, we see the files name and their location:

<add source="update\update.rpf\junctions.xml">common\data\levels\gta5\junctions.xml</add>
<add source="update\update.rpf\vehicleaihandlinginfo.meta">common\data\ai\vehicleaihandlinginfo.meta</add>
<add source="update\update.rpf\vehicleaitasks.ymt">x64\data\tune\vehicleaitasks.ymt</add>
<add source="update\update.rpf\vehicletasks.ymt">x64\data\tune\vehicletasks.ymt</add>
<add source="update\update.rpf\pedpersonality.ymt">x64\data\metadata\pedpersonality.ymt</add>

With OpenIV software, remove (or replace) these (5) files, in 'mods' folder (in GTAV install folder).

Of course supposing you haven't installed this mod, directly into the update.rpf file, instead of in 'mods' folder.
If that's it, I hope you took care to make a update.rpf file copy, before install.

Also, if you have other mods (installed before this one), which use one or more of these same files.
So that they can continue to work, obviously you will have to correctly reinstall these mods, after uninstalling this one.

@rechkunov OK, you're welcome.

@chanyeol08 @Spiralt @JakiShen

chanyeol08
Only the horn sound are disabled.
In taxi vehicle, the horn function/button still working, but without sound.

Spiralt
Forgot what?

JakiShen
lol, thanks for your comment...

Apparently, this mod creates a bug with the Mission #43 nammed: The Bus Assassination
When the player enters in the bus, the mission fails, with the message/reason: "the bus has been destroyed"
In reality the bus is not destroyed, but it is what is written.
And after cancellation of the mission, the bus is placed at exactely the same location where the player have parked the vehicle with which he came to collect the bus.
Without WeaponsRangeIncrease.asi file in gta5 folder, the problem goes away.

Apparently and unfortunately, currently don't work.
Like already said, player is spawned on foot with no vehicle to racing.

@VoxR4710 You're welcome. Thanks. Don't worry.
Indeed, it is quite boring. And yes, ever. It's systematic.
Driverless for at least 2 types of vehicle.

@chapstick @MarinLMSdz06 @littlefilms @DJ-LEXX

chapstick
MarinLMSdz06
Why not obviously/already.
And otherwise, for several reasons or possibilities.
Personally for example. I prefer when the vehicle drivers of the game die silently.
Instead of the opposite. Systematically. In honking!

littlefilms
DJ-LEXX
Yes.
His disables all horn sounds in the game.
No more no less.

Thanks all.