If you're asking about the new, i.e., V6-powered, GT, here's a thread about the main battery in the new GT forum- not sure if that will be helpful or not.
So my 2020 ford gt battery is dead. I opened the back engine bay and pulled the latch and of course I can't open the door because if I do, it'll crack the window! What can I do. Someone please find me a simple option. I've been going through the manual online, and I can't find anything. I've...
Your key fob is dead already? Just pop it open and replace the battery. Try the other fob. Or, if the car battery is dead, open the back with the key under the right rear bumper. If you have a newer car, charging port is there and you can plug in.