Hello everyone! Tomorrow I will probably be buying a 2004 Xfire. It’s white and has 140k miles. I drove it and I loved it! There are a few problems so I just wanted to make sure they aren’t deal breakers

Problems:
AC blows warm (just needs a recharge right?)
Heat has burning smell from the vents (no clue why. help!)
There are a bunch of cracks in the body work. Do I have to buy new panels or is there some repair/epoxy i can use?(what are the body panels made out of?)
The electric seats only work a few mins after the car starts(owner said it’s normal?)

Its listed for $4600. What do you guys think?