NASCAR Heat 4, the official video game of NASCAR, looks, sounds, and plays better than ever! Features Track Map, Unlockable Paint Schemes, Dynamic User Interface, More Driving Control Options, Deeper Career Mode, Sonoma Raceway & Charlotte Roval Track Updates New Graphics & Sound - Complete overhaul of all graphics and audio packages Draft Like a Pro - Team up and draft with other drivers with the drafting features Smarter, Competitive AI - The AI now runs multiple racing lines and utilizes new controls to adjust its skill range, stability and spread