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Home >> Volvo >> 2006 >> V70 Base, 2.4 61, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Alarm System, Control Modules, Engine Management Systems - Design And Function >> Central Electronic Module (CEM) (2005-2007) >> Function >> Additional heater and parking heater
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Additional heater and parking heater

Fig 1: Additional Heater And Parking Heater Communication Diagram
GLL146631Courtesy of VOLVO CARS OF NORTH AMERICA.

If a diesel engine car has a parking heater, the car will have both the additional heater and parking heater functions.

If the parking heater has been programmed and the driver comes to the car earlier than anticipated, the additional heater will not engage until the car is started. The additional heater then determines if the heater should be on or off, even if the driver attempts to disengages the heater using the control stalk.

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