Remote Start fob - Dealer Cost

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CX-5
Anyone know the dealer cost for the Remote start transmitter C930-V7-621?

I traded in my 2016 CX-5 and totally forgot to mention/leverage the remote start during the trade in. I'm hoping to offer the remote in exchange for a discount on a new one for my 6.

I'm thinking of asking $100-$150 but it would help to know what they can get a replacement for so I'm not a sucker or being optimistic.
 
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