ucmndd, that's a good idea.
BlackBeltDaddy, you should go ahead and create a Tesla login account. Have it done. Take a copy of your insurance card with you (for that car), then, If you take those documents and your driver's license, and proof of purchase of the car, when you go to the Tesla store or Service Center, in this case they might expedite getting your car added to your account. Once in your account, you will either get Free Supercharging or even if you have to pay for the Supercharging, you have a way for them to charge your account and CC.
You should check the car to insure the Mobile Connector kit is there. You need it for charging at most places. And hope it contains the J1882 adapter. You can use the J1772 adapter to charge at public charging stations on the way home. If it does not contain a J1772, you can usually get one at a Tesla Service Center.
Download Plugshare to a smartphone It will help you find public chargers on your way home.