DETECTING PRESENCE OF A PERSON IN A NON-RUNNING VEHICLE

摘要

A method, comprising during a vehicle off condition comprising when a vehicle engine is off, and the vehicle is parked, measuring a humidity of a vehicle cabin, and determining a presence of a passenger in the vehicle based on the humidity of the vehicle cabin. In some examples, cabin air may be circulated for a duration prior to the determination. The method may further include adjusting operation of an HVAC system of the vehicle responsive to a determination of a presence of a passenger in the vehicle.

主权项

1. A method, comprising:
during a vehicle off condition comprising when a vehicle engine is off, and a vehicle is parked, adjusting a condition responsive to a determination of a passenger presence in a vehicle cabin, the determination based on a sun load and further based on changes in relative humidity and specific humidity in the cabin, including an increase in the specific humidity and a decrease in the relative humidity over an interval.