Absolutely not! You can understand why manufacturers void warranties, when you have the oil sprays ruining rubbers and the waxy and tar like materials seizing up door locks and window mechanisms. Because Corrosion FREE is an entirely different approach, it eliminates annoying electrical malfunctions and makes the vehicle work better and last longer. While the manufacturers probably won’t admit it, they just have to love Corrosion FREE because it will reduce the number of corrosion related warranty claims they are obligated to pay. It also saves customers the time and aggravation associated with claims against warranties.