The engine may consume oil at a rapid rate due to oil control rings getting clogged with carbon deposits. Vehicles affected by service bulletin: (1) 2012 Honda Insight (2) 2013 Honda Insight Corrective action: Dealers will install new pistons, piston pins, rings and spark plugs. Warranty info: This service is being performed free of charge under Honda’s new-car or extended warranty, whichever applies.