Road signage in Cuba is notoriously bad; however, GPS means that a self drive vacation in Cuba is no longer as daunting as it once was. Visitors should note that while phones with GPS are allowed in the country, standalone GPS devices require a licence to be imported, and are likely to be confiscated as you go through customs. The FCO website
has more details. Your vacation company will be able to suggest good and free navigation apps with maps to download onto your phone before you set off; do practice using them at home. It is not recommended to drive at night in Cuba. The roads are sometimes potholed and unlit, and horses and carts, bicycles and pedestrians will all be on the road – and near impossible to see.
Bear in mind that as self drive vacations are becoming more popular, there is a shortage of rental cars on the island; book as far in advance as you can, especially if traveling during peak months. We would recommend booking with an operator that has staff in Havana and that can secure a car delivery in person. Reservations made online rental agencies are considerably more likely to fall through.