(CNN) - Ford is offering a free repair for more than a million of its Explorer SUVs for public concerns over possible carbon monoxide leaks from the vehicles.
Ford previously offered free repairs for the law-enforcement version of the Explorer.
But now, the offer goes to about 1.4 million Explorers in North America.
The automaker is not calling what it's doing a recall, only saying the repairs are for "peace of mind."
Ford also says the Explorers have no defect and are safe, but some drivers have complained of nausea, headaches and losing consciousness.
Customers can take their 2011 to 2017 Explorer to any Ford dealer for the repairs from Nov. 1 through Dec. 31.
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