From a Forester group.
Heated seats cycle off and on (merged thread)
The owners manual provides very little info on how the heated seats are supposed to operate, so I asked SOA for a better explanation. Here is the info SOA sent me:
2014 Subaru Forester
Subaru vehicles generally have an operating range of 86 degrees F to 104 degrees F. The 2014 Forester seat heaters have a different operating range. The 2014 Forester seat heaters come on at 98.6 degrees F. and shut down at 109.4 Degrees F. Depending upon conditions such as interior cabin temperature, seat fabric and thickness, these temperature ranges are target ranges and may feel or read slightly different when checked by a technician.
The system uses 7 contact points on the seat cushion and 4 contact points on the seat back to keep the system within this operating range by utilizing two thermostats located within the seat elements. They are positioned so the customer cannot feel them when seated. See the attached illustration below for thermostat locations. The switch functions are not a high and low type system like those used in previous models. When the seat heater switch is put in the high position, the elements heat up and into the operating range as fast as possible. When the switch is placed in the low position, the same amount of heat is generated but at a slower rate to reach maximum temperature. Once the maximum temperature is reached, the elements shut off until they cool below operating range then cycle back on again. The switch stays illuminated whenever the system is in use
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