2 player game. moving cars controls help with controls

programming flash
1

hi i have the controls for car number 1 that would be the arrow keys if

size=1 {
this._rotation += manuverSpeed;
} else if (Key.isDown(Key.LEFT)) {
this._rotation -= manuverSpeed;
}
if (Key.isDown(Key.UP)) {
if (speed<speedMax) {
speed += accel;
}
} else if (Key.isDown(Key.DOWN)) {
if (speed>-speedMax) {
speed -= accel;[/size]
but how can i make controls for car 2 … i wann use wasd but i cant figure out how the key.a doesnt work.