FIELD: motor vehicle industry.
SUBSTANCE: invention relates to a method and apparatus for operating a heat accumulator in a motor vehicle. When the driver turns off the ignition, it is determined from the current temperature of the coolant whether it is necessary to store heat at this time (S2) and whether the beneficial effect of such heat storage depends on when the internal combustion engine is restarted (S3). If the answers to both of these questions are positive, the driver is asked whether it is necessary to perform heat storage at this time (S5), while heat storage (S4) is performed or not performed, depending on the response of the driver.
EFFECT: invention provides a reduction in pollutant emissions and better energy savings.
8 cl, 1 dwg
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