Rodents Wired to Infest Vehicles

The National Pest Management Association explains why rodents invade

FAIRFAX, Va.–(BUSINESS WIRE)–#carproblems–Many causes are possible when vehicles experience problems, but it might
surprise motorists to learn that a rodent infestation could be one of
them. According to the National
Pest Management Association
, several innate factors drive rodents
under the hood, leading to car damage, particularly during wintertime.

“Vehicles possess the ideal attributes that attract rodents in winter,
including shelter and built-up warmth from commutes,” says Michael
Bentley, Ph.D., a staff entomologist at NPMA. “Rodents hate being out in
the open where they are vulnerable to predators, so when they see a car
holding freshly generated heat that also offers protection from the
great outdoors, they are drawn to it for cover.”

Entering into cars is easy — a mouse, for example, can squeeze through
openings as small as a dime. Once inside, any crumbs the owner leaves
behind, or other chewable items, will hold rodents’ attention, and that
includes wires.

“Rodents are instinctively avid chewers. About three percent of their
daily activity is just gnawing on objects like wires,” says Bentley.
“Unfortunately, cars have an abundance of materials that rodents enjoy
chewing through.”

Changes in car design may also attract rodents. Recently, numerous
consumers have reported experiencing rodent infestations in their cars,
attributing them to the materials manufacturers are using in their
eco-friendly models, such as soy-based wiring, which is especially
appealing to a rodent’s palate.

Costly car repairs aside, rodents can also have negative effects on
human health. They can, for example, cause respiratory issues, including
asthma and allergy symptoms.

To eliminate the likelihood of rodents infesting a vehicle, keep trash
in tightly closed containers and seal up points of entry into the
garage. Drivers should also regularly look under the hood for gnawed
materials, nests, droppings and frayed wires.

NPMA also recommends getting cars checked by professional automobile
mechanics if signs of rodents are found, and to consider partnering with licensed
pest control professionals
to help with the infestation at home.

About the National Pest Management Association

The NPMA, a non-profit organization with more than 7,000 members, was
established in 1933 to support the pest management industry’s commitment
to the protection of public health, food and property. For more
information, visit


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Amanda Michelson, 610-455-2757