Lewis Hamilton believes McLaren 's KERS will give the team an advantage in 2011 . KERS uses energy released when a car brakes to boost its acceleration . `` We 'll have an advantage on Red Bull and Ferrari Jenson Button thinks the system will give the team an edge over their competitors . McLaren was banned from F1 in 2010 but will return for new seasons .
Lewis Hamilton believes McLaren 's KERS will give the team an advantage in 2011 . KERS uses energy released when a car brakes to boost its acceleration . Jenson Button thinks the system will give the team an edge over their competitors . McLaren was banned from F1 in 2010 but will return for new seasons .