Definition: A road vehicle or automobile, typically with four wheels, powered by an internal combustion engine and able to carry a small number of people.
Pay close attention to your handshape which should be "S". Commonly, ASL students use the erroneous "10" handshape.
This fingerspelled loan is also commonly used. One would use this rather than the other signs to emphasize more when telling: RECENTLY IX-me BUY NEW #CAR!
Variations; probably less common use than the other two above.
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.