iPhone 15 Pro Max that overheats while charging after just three months

Everytime I’m charging my phone it gets really hot and it also overheats when I’m using Bluetooth to connect to my car, I got this phone 3 months ago and the battery life is normal. My phone has been acting up and sort of glitching ever since yesterday and the battery drained pretty fast when I took it off the charger this morning and it is taking a while to get to a high percentage

[Re-Titled by Moderator]