Normally how u guys remember where u park your car? Especially in a huge multi storey carpark.
My method is very simple. I will take a snap of the parking lot no with my handphone.. It will safe the trouble trying to recall the exact location or searching for the car later on.
Few years back, before I own any cameraphone, I used to jot down the carpark lot no inside my PDA. If I didn't bring my PDA together with me, I will type the number and save it inside the SMS draft of my handphone.