I had to change my autopay source on Solar City (now Tesla) this year. This is the message you get when you go to the make payment section of their website after logging in (similar message on phone app). I've seen this message for well over 4 months. It even used to state they didn't know when payment site would be back up. Called the telephone number and pressed 1 to leave a callback message and the system told me the mailbox was full. Emailed them 3 times over 3 weeks before anyone finally responded. Seems to me like they need to focus more on their ability to actually accept money from paying customers.