Idaho permit test: vehicle equipment

1. The emergency or parking brake must stop a car from 20 mph within 55 feet and hold it still on a hill. (p. 38)
2. High beams must let you see people and vehicles at least 350 feet away; low beams must light the road at least 100 feet ahead. (p. 38)
3. Brake lights must be red or amber and visible for at least 100 feet to the rear in normal sunlight. (p. 39)
4. Most vehicles must have two red taillights, on the left and right rear, visible from 500 feet behind. (p. 39)
5. Every motor vehicle must have a horn heard at least 200 feet away. (p. 39)
6. The handbook says each tire should have at least 2/32 of an inch of tread. (p. 39)
7. Studded snow tires may be used from October 1 to April 30, though ITD sometimes adjusts the dates for weather. (p. 42)
8. A load may not extend past the fenders on the left side at all, and no more than 6 inches past them on the right. (p. 43)
9. Windows and windshields must be clear; clean off ice, snow or dirt before driving for full visibility. (p. 43)
10. At night, an overhanging load must show a red light visible for at least 500 feet instead of the red flag. (p. 43)

Taken from the explanations to checked practice questions; page numbers link to the official handbook.