Here are some details that I have retrieved from the Citibank website:
What changes are being made to my card benefits?What sort of reaction have people do people have? If you have a Citibank credit card, tell us what you think.
Effective September 22, 2019, Worldwide Car Rental Insurance, Trip Cancellation & Interruption Protection, Worldwide Travel Accident Insurance, Citi® Price Rewind, 90 Day Return Protection, Damage & Theft Purchase Protection, and Extended Warranty will be discontinued and will no longer be provided for purchases made on or after that date.
PFS