Important distinction to avoid confusion: Tesla ended the CPO program over a year ago. What you're talking about is a used car and not a CPO which would normally denote a certain level of cosmetic inspection and refurbishment. What you're getting is a used car with a factory warranty against mechanical defects that likely hasn't even had the 70-point inspection done that they claim.
It's important that you know you're buying a used car and inspect it thoroughly as any cosmetic issues are yours once you sign the paperwork. If you want them to fix anything, ask before you sign paperwork and force them to put it in writing. That last part is SUPER important especially when dealing with Tesla. Do NOT trust them at their word with promises.