Kia, Hyundai theft issues: State Farm, Progressive drop new policies - USA TODAY

Progressive and State Farm have dropped some older Hyundai and Kia vehicles due to their lack of anti-theft features, according to the car companies and multiple reports.

The move comes after social media posts showed how to start certain Kia and Hyundai cars without the use of a key, prompting theft warnings from police.

Ira Gabriel, a Hyundai spokesperson, hoped the actions would be temporary, he said in a Monday email to USA TODAY, but did not specify which vehicle years were affected.

Calling anti-theft capabilities "standard equipment on nearly all vehicles of that vintage made by other manufacturers," the Highway Loss Data Institute said Hyundai and Kia have both been slow to add the cautionary features.

“Our earlier studies show that vehicle theft losses plunged after immobilizers were introduced,” said HLDI Senior Vice President Matt Moore in September.

"Hyundai is also providing free steering wheel locks, as available, to select law enforcement agencies across the country for distribution to local residents who own or lease affected models," Gabriel wrote.