To avoid beginning problems in automobiles when rats cut the wires in the engine compartment and you will only be able to survive for the rest of the day until the problem is fixed. With Autoglaze Rat Repellent, you can say goodbye to the days of removing dead rats and hello to a rat-free world. Autoglaze Rat Repellent is an excellent long-term solution to the rat problem. The theory is that if a rat damages the factory wire and then leaves it alone, the manufacturer cannot cancel your electrical guarantee.