The driver of a vehicle emerging from a private roadway, alley, driveway or building shall stop the vehicle immediately prior to driving onto the sidewalk area and thereafter shall proceed into the sidewalk area only when able to do so without danger to pedestrian traffic and shall yield the right-of-way to any vehicular traffic on the street into which the vehicle is entering.
(Iowa Code § 321.353) (1999 Code, § 65.04)