Hey so I am going through Suncoast credit union as well. It has been an absolute nightmare. I went to pickup my model 3 yesterday and gave Tesla the paperwork Suncoast told me to give to the dealer (the paper that looks like a check). But Tesla came back and told me they can't accept that. They require either a tracking number for the check or a picture of the check's shipping label before I can take delivery. So Tesla emailed me a Motor Vehicle Purchase Agreement to send to Suncoast. Then Suncoast came back and said they still can't send the check because I haven't signed the Purchase agreement. Tesla responded saying that I cant sign it until after I take delivery, but to take delivery Tesla needs proof of payment from Suncoast. So I'm currently stuck in a catch-22.
I have been re-scheduled for delivery tomorrow. Been on the phone all day with suncoast and Tesla trying to get this worked out, but still haven't got Suncoast to send a check. Hopefully I'll be able to get my model 3 tomorrow.