Beeping Noise When Bag on Passenger Seat of 2011 Model

#1
Hi, is there any way of disabling or decreasing the sensitvity of the "passaenger warning" beeps? It goes off when i have my bag on the seat and my bag weighs less than 5kg. No human would be in the front seat and weighing less than 5kgs so why is it set so low? I tried looking in the manual and its not mentioned. Thanks for any advice.
 
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