... FKA4Seat heating, front Stage 2SMBFASMBFJB5Seat heating, rear compartment Stage 1 FKA6Electrical auxiliary heater, rear compartment 50 % FLA7Seat heating, front 50 %SMBFASMBFJB8Electrical auxiliary ... FKA13Mirror heating OFF FRM/JB14Active seat OFFSMFASMBF15Steering wheel heating OFF IHKA16Electrical auxiliaryfan, 3rd row seatingOFF IHKA17Seatheating, frontOFFSMFASMBFJB18Seat heating, rear compartment ... system controller• Car communication computer• Comfort Access• Instrument cluster• Telephone US/telephone preparation US1 2E70 Energy Management1 3E70 Energy ManagementThe relays are controlled...