Controlling a vehicle includes determining that an occupancy status of the vehicle is unoccupied, estimating a remaining unoccupied time, and controlling a climate-control system according to climate-control parameters based on at least the occupancy status and the remaining unoccupied time. A climate-control parameter is a value or set of values for an attribute or attributes of vehicle climate control, such as a power status for the climate-control system as a whole, a target temperature for a passenger cabin, power statuses corresponding to individual climate zones of the passenger cabin, and target temperatures for the individual climate zones.