Can 2 1 corolla be attached with magnetic attraction?

2 1 corolla can be attached with magnetic attraction. The practice sign of magnetic attraction is directly attached to the metal surface of the rear of the car, while the rear of 2 1 corolla is made of iron and can be attached with magnetic attraction. Magnetic attraction practice sign has the principle of magnet, which can directly attract magnets, so it must be attached to the metal surface outside the car, so it is not suitable for the back glass or car.