GSC script attempt to stop a loop

function vehicleStart ()
{
    iSuckAtScripting = 1;
    while( iSuckAtScripting < 2 )
    {
        level flag::wait_till( "zona_5_enter" );
        level flag::wait_till( "zona_3B_enter" );
        level thread move_vehicle();
        iSuckAtScripting++;
        wait(5);
    }

}