driver 39 s seat is unoccupied if not then the location is not added to the destination list if it is stationary for at least a predetermined time or meets other criteria sufficient to be considered a parking location 104 or is a charging location 102 then a determination is made whether this location is currently on the destination list block 252 if it is then no addition is needed alternatively this location may be moved up the list to show that it was a recent hvac reduction location so that it does not drop from the destination list as new locations are added if the location is not on the destination list then it is added to the list block 254 a hvac reduction region 110 is then added around this new destination location for block 250 the determination may also include other criteria for determining when a parking location 104 should be added to the destination list for example the particular location may be added to the list only after the vehicle 20 has been parked at this location two or more times there may also be a general error factor so that the vehicle does not have to be parked in exactly the same parking space to be considered the same parking location 104 for example different parking spaces in a mall parking lot other criteria can be set for determining when a particular site should be added to the destination list which determines where hvac reduction regions 110 will be located of course these learned locations may be in addition to locations programmed onto the destination list by the vehicle operator as an alternative for sites on the destination list the route taken to get to the destination and the time of.