A pair of girls have reported an alleged incident of suspicious behaviour on Hindmarsh Island and police are now investigating.
The girls were allegedly approached by a white Toyota Hilux while walking on Princess Royal Parade just before 12pm on Sunday, September 19.
An SA Police statement said the pair alleged a male driver "leant across the female passenger and yelled at them through the passenger window" before the girls ran away.
They were not harmed physically.
They described the man as Caucasian, aged in his late 40s, of chubby build, with a bald head and facial stubble.
The woman had scraggly orange hair and was wearing a blue-ish floral top or dress.
The car is described as a "new-ish" white Toyota Hilux with dark canopy or cover.
Anyone who witnessed the incident or who has information that may help with the investigation should contact Crime Stoppers on 1800 333 000 or at www.crimestopperssa.com.au - you can remain anonymous.