What should I use to protect/moisturize leather seats ?
 

It's getting really hot here. I think I should put some type of leather conditioner on the seats of my Gen. Any recommendations?

I've always used meguires leather protectant. Leather in my 99 tib is still in good shape, even the bolsters.

Unless you have a very high end car, your leather is covered by a thick coating. Use a mild cleaner, like diluted Simple Green to clean them. Don't use leather cleaner, it's not necessary. Neither is conditioner. It won't soak through the coating.

Lexol is a great product. It nourishes the leather without leaving any greasy residue.