Frost covers your side windows and snow covers the rear lights. What should you do before moving?
Correct answer: Clear the windows and lights so you can see and be seen.
All-around visibility and visible lights matter. Remove obstructions before driving rather than depending on speed or the defroster to solve the problem later.
Source: Iowa Driver's Manual, MM1170 07/23/2026; printed page 24, physical PDF page 24; Vehicle maintenance. Readable text only; no diagram interpretation used. ↗
Your car has driver-assistance features. What must you still be prepared to do?
Correct answer: Control the vehicle yourself if a feature fails or is unavailable.
Assistance technology does not replace the driver. Understand its limits and remain ready to operate the vehicle safely without it.
Source: Iowa Driver's Manual, MM1170 07/23/2026; printed page 26, physical PDF page 26; Advanced driver assistance systems. Readable text only; no diagram interpretation used. ↗
Your vehicle has forward-collision warning but no automatic emergency braking. An alert sounds. What should you do?
Correct answer: Assess the hazard and take the necessary braking or avoidance action.
A warning-only system alerts the driver; it does not itself brake the vehicle. Know which functions your own vehicle actually provides.
Source: Iowa Driver's Manual, MM1170 07/23/2026; printed page 30, physical PDF page 30; Forward collision warning. Readable text only; no diagram interpretation used. ↗
Mud or snow covers a sensor used by your assistance system. What should you do?
Correct answer: Clean it as directed and do not rely on the system to detect every hazard.
Obstructed sensors can limit assistance features. Follow the owner’s instructions and keep checking the surroundings yourself.
Source: Iowa Driver's Manual, MM1170 07/23/2026; printed page 29, physical PDF page 29; Driver assistance systems. Readable text only; no diagram interpretation used. ↗
You are adjusting the driver's seat in a car with a frontal air bag. What seating position does NHTSA recommend?
Correct answer: At least 10 inches between your breastbone and the air-bag cover while comfortably reaching the pedals.
Leave the recommended clearance while keeping proper posture and control of the pedals. An advanced air bag does not remove the need for a safe seating position or a safety belt.
Source: NHTSA: advanced frontal air bags, 10-inch clearance; official source checked September 22, 2026. ↗
Your car is secured in a safe parking place. How can you check that its brake lights actually illuminate?
Correct answer: Have a helper press the brake pedal while you observe the rear lights.
Checking a light requires checking its operation, not just the appearance of its lens. The guide recommends a partner for observing the brake lights when the pedal is pressed.
Source: Arkansas Driver License Study Guide, Volume 1, Edition 10, July 2026 (07222026); Lights: checking brake lights; printed page 83, physical PDF page 95. Checked September 22, 2026. ↗
There is unusual free movement in the steering wheel before the wheels begin responding. What does this suggest?
Correct answer: A steering problem that should be checked by a mechanic.
Delayed steering response can make it difficult to control the vehicle. Do not dismiss it as a harmless adjustment or try to solve it by increasing speed.
Source: Arkansas Driver License Study Guide, Volume 1, Edition 10, July 2026 (07222026); Steering system: delayed response; printed page 84, physical PDF page 96. Checked September 22, 2026. ↗
May you leave a gasoline car warming up inside a garage attached to a house if the garage door is open?
Correct answer: No; an open garage door does not make this safe.
CDC warns against running a car in an attached garage even with the door open. Carbon monoxide can cause serious harm and cannot be judged by whether you smell it.
Source: CDC: Carbon Monoxide Poisoning Basics, Automobile; official source checked September 22, 2026. ↗
You are loading passengers and heavy luggage for a trip. Which capacity limit should you respect?
Correct answer: Both the vehicle's load limit and the tires' load limits.
A load can fit inside a vehicle while still exceeding its safe capacity. Check the applicable limits rather than using available cabin space as a weight measure.
Source: Arkansas Driver License Study Guide, Volume 1, Edition 10, July 2026 (07222026); Tires: vehicle and tire load limits; printed page 84, physical PDF page 96. Checked September 22, 2026. ↗
For an accurate routine cold-tire pressure check, how long does NHTSA say the vehicle should have been parked without being driven?
Correct answer: At least three hours.
NHTSA defines cold tires for this check as tires not driven on for at least three hours. Measure with a gauge and compare with the vehicle's recommended cold pressure, including the spare as applicable.
Source: NHTSA; Tire Pressure; Maintaining Proper Tire Pressure; official safety guidance read September 22, 2026. ↗
Your tire-pressure warning light is off, and the tires look inflated. Does that remove the need for routine pressure checks?
Correct answer: No; use a gauge for regular monthly checks.
TPMS warns when a tire is significantly underinflated; it does not replace maintenance. Tires can be underinflated without looking flat, so NHTSA recommends monthly gauge checks.
Source: NHTSA; Tire Pressure; TPMS: If the TPMS symbol is on, wouldn't I have already noticed?; official safety guidance read September 22, 2026. ↗
A tire's tread has worn down until it is level with the built-in treadwear bars. What should you do?
Correct answer: Replace the tire rather than continue using its worn tread.
The raised wear indicators show that the usable tread has worn down. NHTSA says tires are unsafe and should be replaced at 2/32 inch of tread; extra air cannot replace missing tread.
Source: NHTSA; Tire Tread; official safety guidance read September 22, 2026. ↗
You are installing replacement floor mats before a wet-weather trip. What matters most for pedal safety?
Correct answer: Use the correct fit and secure the mats as the manufacturer directs.
An improperly fitted mat can interfere with the accelerator or brake. Use mats sized for the vehicle and its retention clips according to the manufacturer's installation instructions.
Source: NHTSA; Changes You May Notice: Floor Mats; official safety guidance read September 22, 2026. ↗
A child's thick winter coat prevents the car-seat harness from fitting snugly. What should you do?
Correct answer: Use thin warm layers, secure the harness, then add a blanket over it.
Bulky coats can interfere with harness fit. NHTSA recommends thin warm layers, with a blanket or coat placed around the child after the harness is properly snug and secured.
Source: NHTSA; Changes You May Notice: Car Seats; official safety guidance read September 22, 2026. ↗
