World Champion Jenson Button swaps his Formula One racing car for the horsepower-challenge Chevrolet Lacetti to put in a few practice laps out on the Top Gear track in this exclusive behind-the-scenes clip. For more exclusives, car reviews and car and show news go to http://www.topgear.com Want to share your views with the team? Join our BBC Studios Voice: https://www.bbcstudiosvoice.com/register
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