When following a tractor-trailer, which sign indicates that the truck driver probably cannot see your vehicle?
Correct answer: B. – You cannot see the truck's rearview mirrors
Tractor-trailers have substantial blind spots along their sides and behind the trailer. When following, the manual provides a simple check: if you cannot see the truck driver’s rearview mirrors, the driver cannot see you. Avoid tailgating and leave enough space to keep those mirrors visible.
Source: Indiana Driver’s Manual — Ch. 7, “Sharing the Road with Tractor-Trailers,” “Blind Spots”



