Detecting when the other player presses a button

I am making a 2 player multiplayer game and I need to detect when the other player presses a button, and when he presses the button it needs to change my current position, however it doesn't work and i can't figure why.

Here is the script i wrote:

Code (CSharp):

1. public class Change : NetworkBehaviour {
2.      public GameObject player; // reference to the other player
3.      [SyncVar(hook="Activate")] bool activate=false;
4.      void Start()
5.      {
6.          if(!isLocalPlayer)
7.          {
8.              //Destroy(this);
9.              return;
10.          }
11.           if (this.name == "Red(Clone)")
12.          {
13.              player = GameObject.Find("Green(Clone)");
14.          }
15.          else
16.          {
17.              player = GameObject.Find("Red(Clone)");
18.          }
19.      }
20.      [RPC]
21.      void Activate(bool act)
22.      {
23.          activate = act;
24.      }
25.      void FixedUpdate()
26.      {
27.      
28.             if(Input.GetKey(KeyCode.E))
29.          {
30.              player.GetComponent<Change> ().activate = true;
31.              player.transform.position = new Vector3 (20f, 20f);
32.      }
33.          else
34.          {
35.              player.GetComponent<Change> ().activate = false;
36.           }
37.            
38.        
39.      }

The player seems to receive the button press only when it is received from the client, however the position is not updated. I would appreciate any help. Thanks

 

Can anyone give any hints please? I've been trying different methods with no success for over 2 weeks now