Mothballs seem to work pretty well but not entirely. Ask my wife what she felt under a seat when pulling out the old mothballs last spring. At least the furry little critter was dead. Dale wasn't impressed.

Mouse traps are for sure.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now.