Warnings about borders between places.
The waze warn when passing borders between towns, municipalities, coutries, etc. Even could warn as the speed limits.
Examples: 1. "You are coming out of 'Campina Grande' and into the 'Lagoa Seca'" 2. "You are entering urban areas, reduce the speed to 50 km"; 3. "To the left , the city Riachão".