HitTest ''HELP''

[COYz]

i need to know how to use hittest heres me code maybe u can help me:

onClipEvent (load) {
if (this.hitTest(_root.goal)) {
gotoAndPlay(2);
}
}

or

onClipEvent (load) {
if (_target.car.hitTest(_root.goal)) {
gotoAndPlay(2);
}
}