[Mick Hatzo]

But now I have another problem I used the C-DIFLOCK button to test the car in 4WD.

Now If I push the button back in the light of the diflock goes on the dashboard goes off but the beeper keeps going ?

If it happens again, check this thread for additional info:
http://www.rav4world.com/forums/85-...e-c-diff-transfer-case-issue.html#post1911489