How frequently should you change your engine oil? A hidden camera investigation is conducted to determine if the information provided at the dealership is accurate, followed by actual testing of the engine oil in a laboratory to verify. CBC News provides in-depth coverage of breaking news, videos, and more on various platforms including Facebook, Twitter, and Instagram. The CBC News app is also available for iOS and Android devices. With over 75 years of experience, CBC News is a trusted source for Canadians looking to stay informed about their communities, country, and the world through various media outlets.
Oil changes: How often do you need them? (Marketplace)
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