Kia has issued a voluntary recall for the Niro hybrid and Niro plug-in hybrid models in the United Kingdom.

The South Korean car manufacturer has discovered that an electrical relay can overheat, and while it is not aware of any failures causing fires or injuries, it is performing the recall as a precautionary measure.

There are 5,020 Niro hybrid and plug-in hybrid models affected by the recall, which were manufactured between November 2016 and September 2017. Kia says it will inspect all vehicles at dealerships and affected relays will be replaced at no cost to customers. The whole process should take approximately one hour. Right now, it is unknown if cars sold in other markets might be facing the same issue as well.

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“The safety of our customers is our number one priority and we are taking this action to ensure their vehicles are not affected in any way,” Kia director of After Sales Chris Lear said of the recall.

Last month, Kia introduced the facelifted Niro Hybrid and Plug-In Hybrid models. The standard Niro Hybrid is fitted with a 1.6-liter GDI engine and an electric motor to pump out a combined 146 hp, and features a 1.56 kWh lithium-ion polymer battery pack. By comparison, the Niro Plug-In Hybrid features a much larger, 8.9 kWh battery that allows for an all-electric driving range of 30 miles (48 km).

Prices for the Kia Niro Hybrid in the UK start at £24,590 ($31,096) while the Niro Plug-In Hybrid goes for £31,945 ($40,397).