How do you open the gas tank of a Kia Soul?

My husband and I have planned a Mexican getaway to Mexico City to escape the harsh Vermont winters this year. We aren’t entirely sure where we'd like to visit on our trip, but flexibility is important to us. Should we rent a car, or will we be able to get around fairly cheaply using taxis and buses?

My girlfriend and I are planning a romantic car camping night under the stars. I was planning on blowing up an air mattress to put in my truck bed, but I’m not quite sure which one to get. What size air mattress will fit in a truck bed?

This winter I’ve been tracking an unusual amount of salt back into my car, and let’s just say, you can tell. How do I remove the salt stains from my carpet?