2nd onwards play plays only last frame of MC within MC

Question

Flash CS5
Hi,
I have an animation where a car travels across the scene then its car door opens at the end of the sequence. Other vehicles also move.
The car is a MovieClip, (car MC) in that MC’s timeline are layers for indicator lights and brake lights as it progresses across the scene, indicating right then brakes and indicates left and stops at kerbside then a keyframe at the last frame on another layer still within Car MC is for OpenLeftDoor MC where the door opens, the car interior is then visible.
THE PROBLEM:-
The second and subsequent times Reset then Play is selected, other vehicles run ok, the car progresses across the scene so it is playing the Car MC, BUT the door is already fully open throughout the journey and the car is indicating left, so its playing the very last frame of the OpenLeftDoor MC within the Car_MC. Even the right turn indicator lights and brake lights don’t show, it plays the left turn indicators all the way through. These are the last layer to play before the OpenLeftDoor MC and occupy the same last frame. Its not displaying the layers with left indic and brakes. The indicator lights are also MC’s.
Why ?
If I delete the layer with the door MC, it still sees car travel along with only the last MC playing,  the Indicate left one.
I have two buttons,  in properties they are gotoPlayBtn  and  gotoStopBtn
gotoStopBtn  resets the scene and the gotoPlayBtn plays the scene from fr2.
I say frame 2 as frame 1 has a stop command required for the code below so I have moved everything forward to fr2. Necessary for any MovieClips that start at Frame 1. Not Vital for background art etc.
The code is :-
// button navigation on timeline
gotoPlayBtn.addEventListener(MouseEvent.CLICK, onGotoPlayClick, false, 0, true);
gotoStopBtn.addEventListener(MouseEvent.CLICK, onGotoStopClick, false, 0, true);
function onGotoPlayClick(evt:MouseEvent):void {
gotoAndPlay("start");
function onGotoStopClick(evt:MouseEvent):void {
gotoAndStop("start");
If I go test movie it runs ok, 2nd play then the problem. Close the test window and run test movie again and 1st play is ok.
I have been given advice as an alternative to the stop command in frame 1 to try gotoAndStop(1) though in this code above I am not sure where to put this. I presume I delete the stop command from fr1 and return all animations to fr1.
Is it the code at fault ? Whats the fix ?
Envirographics

Answer 1

Thanks for your response.
Forgive me, please, but what is ide?
I guess I should retrace steps a bit.
I created an fla of my primary clip. It's actually 1428 frames.
The last frame has the action: gotoAndPlay("loop start"); (I forgot I'd changed the frame number to a label)
Frame 290 on this fla timeline has the frame label: loop start
It works as expected when exported as .swf.
When I put the primary movie .swf inside of the preloader movie clip's .fla on the third frame of the content layer, and export that .fla as an .swf, that's when I notice the actionscript of the primary movie clip is gone.
Am I right in believing you can nest .swfs and keep actions?
Thank you again for your assistance.