Watched this video on YouTube and really liked how much blue there is. 

 

http://www.youtube.com/watch?v=HrpYXHiTUgw

 

So, I wonder if anyone know how to get this. 

look in your gta iv's scripts folder and locate els ini. In there you can adjust the light density ,reflections, and color. Just play around with it until you achieve the settings you want

Ok, thank you 

Shit, I'm confused 

 

What should I change?

 

 

 

 

[ GLOBAL VALUES ]

 

Resolution_W = 1920     // Your game resolution width -- Default 1920, do not alter

Resolution_H = 1080     // Your game resolution height -- Default 1080, do not alter

 

DisplayLocation = 2 // 0 Off / 1 Only on with info. panel / 2 Always on when in a vehicle

 

Range_LightsF = 7       // Range of headlight environment lights

Intens_LightsF = 9     // Intensity headlight environment lights

Range_LightsP = 90     // Range of primary environment lights

Intens_LightsP = 2     // Intensity of primary environment lights

 

FlashSoundFx = 1 // Enables or disables ticking sound when lights are active

 

FlashDelaySP = 0 // Flash speed delay for ELS lights in SP (in milliseconds) / higher is slower

FlashDelayMP = 0 // Flash speed delay for ELS lights in MP (in milliseconds) / higher is slower

 

Ai_ELS_SP = 1     // Toggles ELS on/off for AI in SP

Ai_ELS_MP = 0       // Toggles ELS on/off for AI in MP / Not recommended with other players

 

Range_LightsP                          increase it

The reflection is good now, but how do I change the colour of the lightbar?

 

Looks like this now:  http://postimage.org/image/ws4evxxd3/