The photos from Accidentes de Costa Rica Facebook page can serve as an example to rainproofing your car in Costa Rica.
Why the need for Waterproofing?
Following is an example of why it is very important to waterproof your car. Also from Accidentes de Costa Rica, in the photo the vehicle is being driven by a legislator in Limon, possibly trying to make the point of the need to have proper roads in the country?
