Seat Heating
The 3-stage heated front seats feature 2 heater elements located in the seat cushion and a single heater element located in the seat backrest. Operation of the heated front seats is controlled by the ATC module via the TS, ICP and the CJB module on vehicles with heated seats. On vehicles with heated and cooled seats the operation is controlled by the TS, ICP and the SCCM.
The heated and cooled front seats each contain 2 climate modules; one in the cushion, one in the backrest. The climate modules contain 'Peltier' cells which are able to deliver heating and cooling based on a voltage provided by the SCCM. Each climate module also contains a fan, which blows air over the Peltier cells to distribute heated or cooled air via liners in the seat cushion and backrest. The fan is also controlled by the SCCM. The TS allows the driver and passenger to select 3 ranges of heated or cooled ventilation: maximum, minimum and intermediate. Also, using the selections on the TS, the driver and passenger can select between full seat ventilation or backrest ventilation only.
Vehicles can be fitted with a heated steering wheel independently of front seat options. For additional information, refer to:
Steering Column Switches (Description and Operation),
Steering Column Switches (Description and Operation),
Steering Column Switches (Description and Operation).