Final answer:
The claim that all ads must state the model year is false. The FTC regulates that ads should not contain untrue facts, but does not mandate the inclusion of the model year. Consumers should apply 'Caveat emptor' and remain cautious.
Step-by-step explanation:
The statement that all ads must state the model year is false. According to the Federal Trade Commission (FTC), factual claims about a product’s performance must be checked and untrue facts are not permitted in advertising. However, there are no specific regulations stating that all ads must include the model year. This can be misinforming as exaggerating or ambiguous language and images that are not false may be used in an ad. Therefore, consumers should always be vigilant with the old Latin saying Caveat emptor - “Let the buyer beware.”