𝗤𝘂𝗶𝗰𝗸 𝗖𝗵𝗮𝗻𝗴𝗲 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗪𝗲𝗲𝗸: Riding with the windows up all winter could cause your vehicle to smell a little less than fresh! After you remove all the food wrappers and trash, leave an open container of baking soda or coffee grounds in the car overnight with the windows up. The baking soda or coffee grounds serve as a natural — and inexpensive — deodorizer.