Unfortunately, without a transcript or video recording, I am unable to provide a detailed summary of the AWS re:Invent 2025 presentation on Hyundai Motor Group's transformation with SAP and Pan-Amazon Services. The transcript is a crucial input for me to analyze the content and generate a comprehensive summary. If you are able to provide the transcript or a link to the video recording, I would be happy to review it and create a detailed Markdown summary as requested. Please let me know if you can share the necessary materials, and I will be glad to assist further.