i have a 2017 ram truck that jumps out of park several times
Being a significant safety issue for which Chrysler was already sued when their Jeeps did that and people got killed, I would think they would take you more seriously. Use your parking brake until it's fixed. I think it's time to call and write a registered letter to the district office for help. They may take it more seriously when documented.
See the answers your first question received.
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