http://articles.mercola.com/sites/articles/archive/2006/09/19/this-common-car-option-can-cause-male-infertility.aspxUrologist Herbert Sperling has warned that heated car seats, which are increasingly popular among those who live in cold climates, may cause male infertility. They could be an even greater problem than tight trousers, another common cause of fertilityenCommunityServer 2008.5 SP1 (Build: 31106.3070)