Operation CHARM: Car repair manuals for everyone.

Without Front Seat Ventilation









Switching off with switch

Function sequence
1 Function prerequisites:
- Heated seat switched on, heating stage "1" or "2". One or both LED's in the heated seat switch indicate the selected heating stage.
2 Switch-off procedure has been started with the heated seat switch by pressing the corresponding switch position, heating stage "1" or "2" once.
3 The heated seat control module interrupts the circuit for the heating elements in the seat and simultaneously switches off the LED(s).


Automatic switch-off with ignition (c. 15) OFF

Function sequence
1 Function prerequisites
- Heated seat switched on, heating stage "1" or "2". One/both LEDs in heated seat switch indicate(s) the heating stage selected.
2 The switch-off operation is actuated by switching off the ignition, ignition/starter or glow/starter switch position "0".
3 The heated seat control module interrupts the circuit to the heating elements in the seat and simultaneously switches off the LEDs.


Automatic switch-off after expiration of maximum heating time

Function sequence
1 Function prerequisites:
- Heated seat switched on, heating stage "1". One LED burning in heated seat switch.
2 After reaching the maximum heating time of approx. 30 minutes the heated seat control module automatically starts the switch-off procedure for the heated seat.
3 The heated seat control module interrupts the circuit for the heating elements in the seat and simultaneously switches off the LED.


Automatic switch-off when battery voltage < 11 V

Function sequence

1 Function prerequisites:
- Heated seat switched on, heating stage "1" or "2". One or both LED's in the heated seat switch indicate the selected heating stage.
2 Battery voltage drops to < 11 V. The heated seat control module recognizes this and switches off the heated seats automatically to protect the battery.
3 The heated seat control module interrupts the circuit for the heating elements in the seat
4 The two LED's in the heated seat switch are actuated by the control module and indicate switch-off due to low voltage by flashing continuously.