agreed with Frank
diatemacous earth! it will take out any insect quickly, and (if you get Food Grade) it's also healthy for people to eat :D
http://www.richsoil.com/diatomaceous-ear...
Take it to a car wash and use the vaccuum hose to vaccuum out every inch of the car.
Get your car cleaned or consult a pest control company.
my girlfriend got sick on the side of my car and got some on the wedge of my :( mercedes benz ;( now a month later there are tons of ants and eggs in my trunk. Help