From Road and Track: Tommy Milner demonstrates the five modes of GM's advanced Performance Traction Management system in the Corvette ZR1. We find out which setting is fastest through the corners. Read the full PTM test results now: http://bit.ly/wCWagB



Watch here: http://vettetube.com/view_video.php?...2c116bf2783e9a

Added by: Christian
Tags: 2012 zr1 ptm tommy milner performance traction management
Date: 2012-02-29





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