It is highly unlikely that you will be able to subscribe to Full Self-Driving (FSD) or use the Tesla Supercharger network during a 3-day test drive because the car is not linked to your personal Tesla account.
You cannot subscribe to FSD because the car is currently owned by the Toyota...
Tesla Full Self-Driving (Supervised) v14.1.7 update (2025.38.8.7), addresses a persistent issue affecting many vehicles...
https://teslamagz.com/news/tesla-offers-no-cost-camera-cleaning-after-new-warning-update/
Tesla now has live pricing at 550 Supercharger sites in California, New Jersey, New York, Florida, and Illinois....
https://teslamagz.com/tesla/supercharger/tesla-expands-live-pricing-to-supercharger-sites/
Tesla launches the new Full Self-Driving update 14.1.7 (firmware 2025.38.8.7) for Model S, 3, X, Y and Cybertruck.
https://teslamagz.com/tesla/software-update/2025-38-8-7-tesla-fsd-supervised-v14-1-7-release-notes/
Model Y L V2L adapter offers plug-and-play power for Tesla owners....
https://teslamagz.com/news/tesla-releases-v2l-adapter-for-model-y-l-some-owners-get-it-free/
Rentals include Full Self-Driving V14, unlimited miles, free supercharging....
https://teslamagz.com/tesla/tesla-launches-new-car-rental-program-in-the-u-s/
More than 75% of voting shareholders supported a plan that could give him as much as $1 trillion...
https://teslamagz.com/tesla/tsla/tesla-shareholders-approve-1-trillion-pay-package-for-elon-musk/
New Tesla FSD v14 now helps drivers in cold weather. Camera visibility problems on icy days can cause safety issues. Tesla solves this with a low power heating mode for camera heaters. Still, this does not use much battery, so owners don’t have to worry about power drain...
Tesla has started rolling out Full Self-Driving (Supervised) version 14.1.3,
https://teslamagz.com/news/tesla-adds-smart-camera-cleaning-feature-in-fsd-v14-1-3/