| 摘要 |
A utility system for motor vehicles can be energized by remote control and is especially useful in cold weather for charging a battery and heating the engine and interior of the vehicle without starting the engine. A battery charger furnishes the necessary DC power and is connected to simultaneously charge the vehicle battery and run the blower while the engine heater is on; or, in the alternative, will only charge the battery in response to the setting of a selector switch in the vehicle. Preferably, a cable carries AC power from a building to the vehicle and a switch at the building turns the system on and off. A alarm is activated if entry is made into the vehicle without disconnecting the power cable which is plugged into the vehicle.
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