A number of cars being interfered with recently has prompted Whyalla Police to issue a reminder to everyone.
Between 28 September 2 October, there have been six separate reports of vehicle interference in the township.
The first occurred between 7.30pm on 28 September and 11.30am on 30 September on Miller Street, Whyalla Norrie.
Thieves entered the victim's unlocked car and stole a Samsung phone and a Pandora bracelet.
On 1 October, thieves used a rock to smash a window to a car parked on Custance Avenue, Whyalla Jenkins and stole a handbag.
Sometime between 8pm on 30 September and 2pm the following day, thieves gained entry into a car through the rear window and stole a car battery.
Then between 9pm on 30 September and 9am the following morning, thieves entered a vehicle parked in the Mullaquana Caravan Park and stolen items from inside.
Sometime between 7pm on 2 October and 5am the following day, thieves entered an unlocked car parked on Jeffries Street, Whyalla Playford and stole an amount of cash.
The between 9pm on 2 October and 8am the following day, thieves entered an unlocked vehicle parked on Mills Street, Whyalla Norrie and stole a number of items.
Police are reminding everyone to ensure their vehicles are locked at all times and that no valuable items are left inside in plain sight. Further information about vehicle security can be found here.
Investigations are continuing and anyone with any information about these incidents is asked to call Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au