I was looking in the manual and found that if you turn off code hopping it might help range a little bit, but for some reason when i try to turn it off i press the valet switch 11 times to get to that option but i can not get the siren to chirp back at me 11 times to confirm im in the right area, it always chirps at the most 10 times and i know i am pressing the button 11, what am i doing wrong?