Hey, so I went in search for why I was having the same issue . I always get nauseous in my husbands 2014 Dodge Ram 1500 crew cab. It’s weird ! No strong smell, I literally think it has something to do with how bouncy or floaty it is . Even when switching lanes a lot I get sick . So I feel your pain & it really sucks . The only way I won’t get sick in his truck is if we are on the highway, rides smooth & straight for long trips .