access to gas tank on 2000 Jaguar Vanden Plas

where is the button to open the lid to put gas in the car?

Asked by for the 2000 Jaguar Vanden Plas
If you still have the owner's manual, the instructions will be in there. Otherwise, I would call a Jag dealership and ask for service.
I managed to get a hold of a owners manual. Thanks!