Does anyone know how to get a letter to either Tim Kuniskis or the Stellantis CEO's office?

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Does anyone know how to get a letter to either Tim Kuniskis or the Stellantis CEO's office? So far, Stellantis will not reply to my letters, emails, and phone calls? All I can get is" no this" and "no that" from Customer Care. They are the gatekeepers to keep the consumer away from anyone in management. I'm looking at legal options. I want to give it one more try before moving forward.
Thanks!

 

[VANISHING POINT #1]

Remember when Ford was going to get rid of the Mustang and replace it with a front wheel drive platform like the Ford Probe? The Mustang based customers made their voices heard and were OUTRAGED OVER THIS. Ford ended up keeping the Ford Mustang V8 up to this date. Now that is listening to the customer.

 

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Tim Kuniskis surely will not listen and doesn't seem to care. I even sent a letter via registered mail and it was ignored. Some gorilla signed for the letter.