According to tradition, the virgin appeared before the Indian peasant Juan Diego in 1531 at Tepeyac, and her image was miraculously imprinted on his cloak.
The pope will visit Mexico City, celebrate Mass with indigenous communities in Chiapas, speak with young people in Morelia, the capital of violence-torn Michoacán state, and visit prison inmates in Ciudad Juárez.
That municipality in the State of Mexico presents high levels of criminal activity.
The founder of the shelter for undocumented migrants Hermanos del Camino said that he thinks Pope Francis will change the history of Catholicism with reforms to make it a more open religion and that he will continue to fight corruption in the Vatican.
The vehicles are not armored at the request of the Pontiff.
Francis' visit comes amid strong challenges to the church in the southern state of Chiapas.
Francis is scheduled to visit the diocese of San Cristobal, home to two of the most famed religious defenders of indigenous people in Mexican history: Bishops Bartolome de las Casas in the 16th century and Samuel Ruiz, who died in 2011.
The Vatican said Friday that Francis will present the decree during a Mass dedicated to indigenous people in the state of Chiapas on Feb. 15.
Pope Francis is telling Mexicans that he will use his upcoming visit to pray with them for "the gift of peace."
The four Díaz sisters began playing marimba in churches three decades ago at the invitation of the late Chiapas Bishop Samuel Ruiz.