OWNER LETTER: DEAR KIA SORENTO OWNER: KIA MOTORS AMERICA, INC. IS CONDUCTING A VOLUNTARY SERVICE CAMPAIGN TO UPDATE THE ENGINE CONTROL UNIT (ECU) IN CERTAIN 2012-2014 MY SORENTO VEHICLES WHICH COULD OTHERWISE EXPERIENCE A DECREASE IN ACCELERATION ACCOMPANIED BY THE ILLUMINATION OF THE “CHECK ENGINE” OR MALFUNCTION INDICATOR LAMP (MIL).
