Abstract: A sealing lid assembly used in connection with a service port, the sealing lid assembly including a cap; a plug extending from an underside of the cap and at least partially receivable in the service port, a first seal supported on the plug and extending radially outward therefrom to sealingly engage the service port when the cap is in a closed position; and a biasing assembly adapted to urge the cap toward the closed position.

Abstract: A heater assembly used in connection with a diesel emissions fluid tank in a vehicle, the heater assembly including a first heater connectable to an alternating current power supply; a second heater connectable to a direct current power supply within the vehicle; wherein the first heater is adapted to operate at a higher power than the second heater; wherein the first heater is closer to the tank than the second heater; a temperature sensor in sensing communication with the tank and adapted to provide a tank temperature; a control circuit connected to the second heater and the vehicle power supply, wherein the temperature sensor communicates the tank temperature to the control circuit, wherein the control circuit selectively activates the second heater to obtain a desired tank temperature.