AI Tail lights not visible at night

[Humpfester]

As the topic says, at night there no tail lights visible on the AI vehicles after they are out of headlight range. The turn signals appear to be working fine and headlights, but the tail lights don't glow at all.

My Specs

Intel Core i7 2600K @4.0GHz / Corsair Vengeance 16 GB ( 4 x 4 GB )

DDR3 1600 MHz (PC3 12800) / Corsair Hydro Series H100 Extreme

Performance Liquid CPU Cooler (CWCH100) / Corsair 600T / Corsair

AX850 / ASUS SABERTOOTH P67 B3 / Galaxy GEFORCE GTX 770 / 1

Western Digital 2 TB Caviar Green 2 SATA II Intellipower 64 MB

Cache / 1 Corsair Force Series GT 120 GB SATA 2.5-Inch SATA III

Solid State Drive (CSSD-F120GBGT-BK) (Boot Drive) / Windows 7

Ultimate 64 bit SP1 / Logitech G27, Logitech 5.10.164 /Nividia

320.49 whql / JVC 42" LCD TV FPDUS-P510 @1080P 1920X1080.