Michigan DMV Permit Test: Alcohol, Distracted Driving, Seat Belts, and Points Concepts
Importance ★★★★☆ · 15% (estimate)
Overview
Alcohol affects judgment and reaction time, and the effect is the same whether you drink beer, wine, or liquor. A standard can of beer, glass of wine, and shot of whiskey hold the same amount of alcohol. Coffee, cold showers, and fresh air do not help; only time sobers you up. Plan a designated driver before you drink.
Michigan sets clear limits. At the adult limit a driver is operating while intoxicated, a much higher level brings tougher high-BAC penalties, and drivers under 21 may have no alcohol in their body at all. Under implied consent, every licensed driver has already agreed to a chemical test, and refusing leads to a suspension. Driving while impaired by marijuana carries the same penalties as alcohol.
Distraction and safety equipment are covered by law too. Michigan's hands-free law bans holding or manually using a phone while driving, except to report an emergency. Everyone in the front seat and all passengers under 16 must buckle up, and young children ride in a car seat or booster.
Points are added to your driving record when you are convicted of a moving violation. They stay for two years, and too many points within that time can lead to a driver reexamination.
Key concepts
BAC limits
A BAC of 0.08 or more is operating while intoxicated (OWI). A BAC of 0.17 or more brings enhanced high-BAC penalties. Drivers under 21 may have no bodily alcohol content.
Memory tip0.08 OWI, 0.17 super drunk, under 21 zero.
Source: Michigan State Police (OHSP), Michigan impaired driving law · as of 2025
Implied consent
By applying for or renewing a license, you agree to a chemical test. Refusing results in a license suspension and 6 points.
Memory tipRefusing the test costs your license.
Source: Michigan Department of State, What Every Driver Must Know · as of 2025
Hands-free law
Since June 30, 2023, drivers may not hold or manually use a phone while driving, including calls, texts, and video. Voice mode after a single tap and emergency calls are allowed.
Memory tipPhone down, hands on the wheel.
Source: Michigan Vehicle Code, MCL 257.602b (hands-free law) · as of 2023
Seat belts and car seats
Everyone in the front seat and all passengers under 16 must buckle up. Children ride in a car seat or booster until age 8 or 4 feet 9 inches tall.
Memory tipUnder 8 or under 4'9": car seat or booster.
Source: Michigan Department of State, What Every Driver Must Know · as of 2025
Points
Points are posted only after a conviction and stay on your record for two years from the conviction date.
Memory tipPoints last two years.
Source: Michigan Department of State, What Every Driver Must Know · as of 2025
Point values
6 points: OWI, refusing a chemical test, reckless driving. 4 points: drag racing, under 21 with any alcohol, 16+ mph over. 3 points: careless driving, 11 to 15 mph over. 2 points: 6 to 10 mph over, open container.
Memory tipBigger danger, more points.
Source: Michigan Department of State, What Every Driver Must Know · as of 2025
Work zone speeding points
In work zones: 3 points for 10 mph or less over, 4 points for more than 10 up to 15 over, and 5 points for more than 15 over.
Memory tipWork zones have their own, higher scale.
Source: Michigan Department of State, What Every Driver Must Know · as of 2025
Often tested
- Only time sobers you up.
- Drivers under 21 may not have any alcohol in their body.
- Refusing a chemical test brings a suspension and 6 points.
- 12 or more points within two years can lead to a driver reexamination.
- An impaired driving conviction stays on your record permanently.
- Children under 4 ride in a rear seat when the vehicle has one.
Easy to confuse: Speeding points: general vs. work zone
| Over the limit | General | Work zone |
|---|---|---|
| 6 to 10 mph | 2 points | 3 points |
| 11 to 15 mph | 3 points | 4 points |
| 16 mph or more | 4 points | 5 points |
3 sample questions
Verified practice questions from this unit.
Question 1. At what blood alcohol content (BAC) is a driver age 21 or older operating while intoxicated (OWI)?
- ① 0.08 or higher
- ② 0.05 or higher
- ③ 0.10 or higher
- ④ 0.02 or higher
▼ Show answer and explanation▲ Hide answer and explanation
Answer: ① 0.08 or higher
Key point: OWI: BAC of 0.08 or more
In Michigan, a driver with a BAC of 0.08 or more is operating while intoxicated (OWI). A BAC of 0.17 or more brings higher "super drunk" penalties. Even one drink can slow your reactions.
Wrong choices
- 0.05 or higher: The OWI level is 0.08, though even one drink can impair you.
- 0.10 or higher: Michigan's OWI level is 0.08.
- 0.02 or higher: The OWI level for drivers 21 and older is 0.08.
Question 2. What is the only thing that sobers a person up?
- ① Fresh air and exercise
- ② Time
- ③ Black coffee
- ④ A cold shower
▼ Show answer and explanation▲ Hide answer and explanation
Answer: ② Time
Key point: Only time sobers you up
Many people think coffee, a cold shower, exercise, or fresh air can sober them up. They cannot. The only thing that sobers you up is time. Plan a designated driver ahead of time.
Wrong choices
- Fresh air and exercise: These do not remove alcohol from your body.
- Black coffee: Coffee may make you feel awake but does not remove alcohol.
- A cold shower: A shower does not lower your alcohol level.
Question 3. Under Michigan law, who must wear a seat belt?
- ① Only children under 8
- ② Only the driver
- ③ The driver and all front-seat passengers, plus all passengers under 16 in any seat
- ④ Only people riding on freeways
▼ Show answer and explanation▲ Hide answer and explanation
Answer: ③ The driver and all front-seat passengers, plus all passengers under 16 in any seat
Key point: Seat belts: everyone in front, and all riders under 16
Michigan requires everyone in the front seat, including the driver, and all passengers under 16 in any seat to be buckled. An officer may stop a vehicle if people are not properly buckled.
Wrong choices
- Only children under 8: Children under 8 need a car seat or booster; others must also buckle up.
- Only the driver: Front-seat passengers and all passengers under 16 must also be buckled.
- Only people riding on freeways: The law applies on all roads.
AI-written · Verified · Written by AI. Only units that passed a separate AI check (re-reading facts and numbers) are published. Tell us if you find a mistake.