This mod adds cruise control, auto-drive to waypoint, auto-patrol, configurable vehicle control hotkeys, in-game menu and many more vehicle options.

INSTALLATION:
1. Install Script Hook V: http://www.dev-c.com/gtav/scripthookv/
2. Install LUA Plugin for Script Hook V: http://gtaforums.com/topic/789139-vrelhook-lua-plugin-for-script-hook-v/
3. Place mod lua files into scripts/addins/ folder inside your GTAV directory

Default Controls:
F3 or / (numpad divide) - Show/Close mod menu
Backspace - Hide mod menu
Numpad 8 - Scroll Up
Numpad 2 - Scroll Down
Numpad 5 OR Space - Select mod menu option

Default Hotkeys:
F to leave vehicle with engine on by default (radio and lights stay on as well)
Hold "F" OR "Ctrl+F" to leave vehicle with engine off (GTA4 style)
Shift+W to auto drive to waypoint
Shift+X to toggle auto patrol mode
Ctrl+W to toggle cruise control
Ctrl+X to toggle engine
Ctrl+A to toggle left indicator
Ctrl+D to toggle right indicator
Ctrl+S to toggle emergency lights
Shift+S to toggle brake lights
Ctrl+Z blip police siren (cop cars only)
+ to skip current radio song
hold "open door" buttons to open doors incrementally, press it again to close them

Features:
Ingame menu and configurable Hotkeys (check the lua file)
Auto-Drive to waypoint (AI will try to follow the traffic code, press "W, S or Space" to disengage)
Auto-Patrol the area (AI will randomly drive the vehicle around, following the fraffic code)
Toggle Cruise Mode at any speed
Leave vehicle GTA4 style; "F" to leave with engine on, Hold "F" to leave with engine off
Toggle Engine, Indicator lights, Brake lights, Interior Lights
Toggle All Vehicle Lights (with engine still on)
Open All Doors, Hood and Trunk Incrementally
Open and Close Windows
Blip Police Siren (without turning it on)
Skip Current Radio Song
Clean Vehicle
Fix Vehicle Tyres
Fix Vehicle
Turn on/off ingame mod menu notifications

Discuss/Contribure here: http://gtaforums.com/topic/791585-vrel-realistic-vehicle-controls-10-lua-in-game-menu-hotkeys/