4 ms·Got some potassium iodine for my kids and got supplies to ground my car... that's about it.by tormock 5y agoGot some potassium iodine for my kids and got supplies to ground my car... that's about it.carom 5y agoWhy do you ground your car?tormock 5y agoIt probably can prevent your electronics from getting destroyed by making your car a sort of Faraday cage in the event of a nuclear EMP.