My keys were in my golf bag. I took the bag off the cart and set it down right next to the trunk, then reached for the trunk, opened it with my hand and threw the bag in and closed the trunk and got back in the cart to go have a beer inside. Then I realized my keys, wallet, etc. were still inside the golf bag. But the trunk was locked and wasn't going to open. At least I was only playing a short ways from home so getting keys and coming back wasn't a big deal, but still this situation kind of sucked and could easily be repeated, even though it seemed pretty out of character for me.