How To Use The 2012 Nissan GT-R's New Launch Control

Nissan GT-R owners quickly discovered achieving the company's touted performance numbers meant using launch control, thus voiding their warranty. Nissan dropped launch control for 2010. Now it's back — as "R Mode Start." Here's how to do it. » 1/20/11 1:15pm 1/20/11 1:15pm