Abstract: A dual zone auxiliary climate control system for a vehicle includes an evaporator, a heater core having a first zone and a second zone, a first zone mode door downstream from the first zone of the heater core, a second zone mode door downstream from the second zone of the heater core and a blower. The blower forces air through the evaporator and the heater core toward the first zone mode door and the second zone mode door. A method of providing a dual zone auxiliary climate control system is also disclosed.

Abstract: A dual zone auxiliary climate control system for a vehicle includes an evaporator, a heater core having a first zone and a second zone, a first zone mode door downstream from the first zone of the heater core, a second zone mode door downstream from the second zone of the heater core and a blower. The blower forces air through the evaporator and the heater core toward the first zone mode door and the second zone mode door. A method of providing a dual zone auxiliary climate control system is also disclosed.

Abstract: A motor vehicle includes a motor compartment, a passenger compartment and a firewall separating the motor compartment from the passenger compartment. The motor vehicle also includes a heating, ventilation and air conditioning system. That heating, ventilation and air conditioning system includes an HVAC inlet subassembly and an HVAC air distribution subassembly in the passenger compartment and a transition duct in the motor compartment directing an airstream from the HVAC inlet subassembly to the HVAC air distribution subassembly.

Abstract: A panel and defrost plenum includes a manifold section, an air feed section and a branch section. The manifold section includes a first air distribution door, a second air distribution door and an optional third air distribution door. The manifold section also includes at least one actuator to displace the first air distribution door, the second air distribution door and the optional third air distribution door if present, between multiple operating positions. The air feed section is located upstream of the manifold section and functions to deliver an airstream past a package restriction to the manifold section. The branch section is downstream from the manifold section. A related method of routing an airstream past a package restriction is also disclosed.

Abstract: A panel and defrost plenum includes a manifold section, an air feed section upstream from the manifold section and a branch section downstream from the manifold section. The air feed section delivers an airstream past a HUD package restriction to the manifold section. A related method of routing an airstream past a HUD package restriction is also disclosed.