Method for pre-cooling automotive vehicle passenger compartment

A method for pre-cooling a passenger compartment of an automotive vehicle, the vehicle including at least one electrically actuatable window and a HVAC system having at least a controller, a blower, a refrigerant compressor, at least one temperature sensor in the passenger compartment, and a HVAC ducting leading to the passenger compartment, said controller, said blower, and said compressor connected to a vehicle battery, comprising the steps of:

• a) initiating a cooldown sequence;
• b) determining the temperature of said passenger compartment and compared the temperature to a first predetermined value;
• c) cycling an inlet of said blower to a recirculation position if said temperature of said passenger compartment is greater than said first predetermined value;
• d) opening said windows of said vehicle;
• e) operating said blower to provide pressurized air through said HVAC ducting to the interior of said vehicle;
• f) operating said refrigerant compressor;
• g) monitoring a power level of said vehicle battery;
• h) comparing the temperature of the passenger compartment to a second predetermined value;
• and
• i) stopping operation of said blower and said compressor when one of a hood open signal and a fuel door open signal is detected by said controller.

A method for pre-cooling the passenger compartment of an automotive vehicle, the vehicle including at least one electrically actuatable window and a HVAC system having at least a controller, a blower, a refrigerant compressor, at least one temperature sensor in the passenger compartment, and HVAC ducting leading to the passenger compartment, said controller, said blower, and said compressor connected to a vehicle battery comprising the steps of:

• a) providing a remote communicator;
• b) initiating a command from said remote communicator to said controller to initiate a cooldown sequence;
• c) determining the temperature of the passenger compartment and compared the temperature to a first predetermined value;
• d) cycling an inlet of said blower to a recirculation position if said temperature of said passenger compartment is greater than said first predetermined value;
• e) opening said windows of said vehicle;
• f) operating said blower to provide pressurized air through said HVAC ducting to the interior of said vehicle;
• g) operating said refrigerant compressor;
• h) monitoring a power level of said vehicle battery;
• i) comparing the temperature of the passenger compartment to a second predetermined value;
• and
• j) stopping operation of said blower and said compressor when a hood open signal is detected.