The software fixes that Kia and Hyundai are distributing to help stop a nationwide crime fad in hot-wiring their older vehicles may need fixes of their own.
Both auto companies have notified their dealers that the software solutions are not working perfectly.
According to a service bulletin sent from Kia America to its dealers in February, the company identified a compatibility issue involving vehicles equipped with remote start accessories.
Another bulletin, issued last week, said the problem has not been remedied.
A spokesperson for Kia confirmed that the issue persists, but the company expects to release a new version of the software update this month that is compatible with the subset of vehicles equipped with remote start. The automaker remains "confident" the upgrade works as designed for eligible models, the spokesperson said.
The same software update is also available for older Hyundai models not equipped with an anti-theft device.…