A recent report found that 6.6 million cars are being driven in Canada that have been recalled by a manufacturer for one reason or another. Some issues are minor, some could be deadly, and in many cases, the owners simply don't know the issue exists.

How does this happen? Well, the world of automotive recalls is changing fast, technology is taking leaps that make some vehicles less reliable and the recall system itself is ... a little convoluted. Today, a look inside the world of getting your car fixed, for free. Or not.

GUEST: Lorraine Sommerfeld, columnist at driving.ca

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One in five cars on Canadian roads have been recalled. Has yours?