Canada’s auto security regulator stated on Thursday it has opened an investigation into the heating system of Tesla Mannequin 3 and Mannequin Y automobiles following 16 client complaints about its efficiency throughout chilly climate.

Transport Canada stated it’s involved {that a} malfunctioning heating and air-conditioning system “could have an effect on windshield defogging/defrosting and subsequently driver visibility.”

“An organization is required to inform Transport Canada and all present homeowners after they develop into conscious of a defect that would have an effect on the security of an individual. … These notices are generally known as ‘security recollects,’” it stated.

The regulator stated it has knowledgeable Tesla of the investigation.

Tesla Inc. didn’t reply to a Reuters request for remark. In 2020, Tesla CEO Elon Musk tweeted, “Mannequin Y warmth pump is among the finest engineering I’ve seen shortly.”

A variety of Tesla homeowners complained that the warmth pumps are failing in excessive chilly temperatures, in response to Drive Tesla Canada, a Tesla information supplier. The report stated the heating issues occurred even after Tesla early final yr changed defective sensors in warmth pumps in some 2020-2021 Mannequin 3 and Mannequin Y automobiles to deal with the problem.

It wasn’t instantly clear if related issues with Tesla heaters have been reported within the U.S. The U.S. Nationwide Freeway Visitors Security Administration didn’t have an instantaneous touch upon the problem.