First thing, you should buy a heated car seat cover with overheat protection. In other words, with this feature, the car seat cover automatically turns off the heat if reaches a temperature harmful to you.nnSecond thing, even if the cover does not have that feature, you would know when the car seat reaches a temperature that can damage your car seat cover.nnOne more thing, if you got an expensive car, you can further add a layer under the cover seat as an extra safety layer for prevention. You can put a damp cloth; a genuine leather and other things like of.