Yeah the plan is to put them around the engine and under dash soaked with 100% peppermint extract.
Might work, might not… pack rats will total a car in a few days by eating wiring and hoses.
Only th8ng I have found to work is spray grease, spray it all over the lower engine bay where they have to come up. They can’t stand it on their paws (synthetic is better) and can’t clean it off and will never come back. Also beware the cabin exit vents , usually hidden rubber flaps in a fender or behind a cab. They will come in there if you don’t spray around it.
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