Brought my Lexus is200 SE (2000) a couple of weeks ago.
Was given 3 sets of keys with it, the main one works and i left the other 2 at home, the mrs today used the spare one, but noticed that none of them worked, the red light doesn't work but the keys do open the door, but then the alarm would go off?
How do i fix this, is it a simple battery replacement?