TSB: NAVIGATION UNIT SOFTWARE UPGRADE - THIS BULLETIN PROVIDES THE PROCEDURE FOR UPGRADING THE NAVIGATION SYSTEM SOFTWARE OF SOME SOUL EV (PS EV) VEHICLES, PRODUCED FROM AUGUST 1, 2014 THROUGH JANUARY 14, 2015, TO RESOLVE CONCERNS RELATED TO INTERMITTENTLY INACCURATE TEMPERATURE SETTING FROM THE CLIMATE RESERVATION SYSTEM, WHEN USING LEVEL I AND LEVEL II CHARGERS. TO CORRECT THIS CONCERN, FOLLOW THE INSTRUCTIONS IN THIS BULLETIN TO INSTALL THE UPDATED NAVIGATION HEAD UNIT SOFTWARE.
