Heated seats switch-over function - GF91.30-P-2002SK
MODEL 171.4 with CODE (873) Electrically heated left and right front seats
Function prerequisites:
- Heated seats (HS) are switched on
The different heating stages are realized by pulsed actuation of the heated cushions (R13/1, R13/2, R13/3 and R13/4). The heating times can be programmed via diagnosis.
Manual switchover
The operating and function indications of the heated seats (HS) are summarized in the table given below.
Automatic switching of the heating stages (timer control)
The Front HS, head area ventilation and steering wheel heater control unit (N25/7) realizes the timer control for the heated seats (HS):
- Heating stage 3 stays on for 5 min. Then the system automatically switches to heating stage 2.
- Heating stage 2 stays on for 10 min. Then the system automatically switches to heating stage 1.
- Heating stage 1 stays on for 20 min. Then the heated seats (HS) are automatically switched off.
| Actuation of left HS switch (N72/1s10) and right HS switch (N72/1s11) | Actuated Heating stage | Actuated Heating capacity | Function display in left HS switch (N72/1s10) and right HS switch (N72/1s11) |
|---|---|---|---|
| Press once | Heat stage 3 | approx. 90 % | 3 red LEDs |
| Press twice | Heating stage 2 | approx. 60 % | 2 red LEDs |
| Press three times | Heating stage 1 | approx. 30 % | 1 red LED |
| Press four times | Heated seats (HS) off | - | none |
| Press five times | Heat stage 3 | approx. 90 % | 3 red LEDs |
| Upper control panel control unit, location/task/ design/function | GF54.21-P-4105SK |
| Electronic ignition switch control unit, location/purpose | GF80.57-P-4120SK |
| Front heated seat switch, location/task | GF91.30-P-3000SK |
| Heated seats/head area ventilation/steering wheel heater control unit, location/task | GF91.30-P-3008SK |