Javascript: Appearing and Disappearing objects

Hi! So I want to make a fire that starts when I use a box of matches on it... I have a script that allows me to pick up my "matches" and then the fireplace is supposed to display a message, and when "E" is clicked, the fire is supposed to appear. Here is my script:

 #pragma strict 
 var buttonInRange;
 var buttonActivated;
 var batterySound : AudioClip;
 private static var batteryPower : float = 10;
 
 var Matches : GameObject;
 var Fire : GameObject;
 
 private var hasPlayed = false;
      Fire.SetActive(false);
 
 function Start()
 
 {
 
 }
 
 function OnTriggerEnter (c : Collider)
 {
     buttonInRange = true;
 
 }
 
 function OnTriggerExit (c : Collider)
 
 {
     buttonInRange = false;
 
 }
 
 function OnGUI ()
     {
     if (buttonInRange == true)
         {
 
         if (Matches == false)
 
             {
              Fire.SetActive(true);
             GUI.Label (Rect (Screen.width/2-50, Screen.height/2-55, 120, 50), "Use matches");
     
             }
         }
 
     }
 function Update ()
 {
     if (buttonInRange == true)
     {
         if (Input.GetKeyDown ("e"))
         {
             if(!hasPlayed)
             {
                 AudioSource.PlayClipAtPoint(batterySound, transform.position);
                  Fire.SetActive(true);
                 hasPlayed = true;
             }
         }
         
     }
     
 }
   

However, because I set the Fire.Active to false, it doesn't play the function Update() part.... Is there an alternative way to do this? All answers are greatly appreciated... Thanks :D