A woman and her friends were attending a conference in Bellevue, Wash., when they got lost driving back to their hotel from dinner, according to a Ninemsn article.
The women turned on the GPS system that was provided by Hertz with their rental car. As they were trying to find their way back to the hotel, the GSP instructed them to make a turn which placed their car in a marsh.
A local fire official said the women drove out onto a boat ramp which was near the highway entrance, but kept driving into the marsh.
The women were able to get out of the car and no one was injured, according to Ninemsn.