My son used to hate going to Canada on vacation a few years ago because the car seat/booster law is up to the age of 10 years or 80 lbs (that weight I am not 100% sure but thats the ballpark).

Kids under 10 are not allowed in the front seat because of airbags, imagine what that will do to a 2 year old?

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"Diplomacy is the art of saying 'Nice doggie' until you can find a rock - Will Rogers"