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§ 23221 VC - Drinking Alcohol in a Motor Vehicle

1. What is Drinking Alcohol in a Motor Vehicle?

Under California Vehicle Code § 23221 VC, it is unlawful for a driver or passenger to drink alcohol or use marijuana while inside a moving motor vehicle on a public highway. This law applies regardless of whether the person is actually driving or merely riding in the vehicle.

The statute is part of California’s broader “open container” laws, aimed at reducing impaired driving and promoting road safety. Even if a person is not impaired, simply consuming alcohol or cannabis inside a vehicle on a public roadway can result in a citation.

Understanding VC § 23221: Alcohol or Marijuana Use in a Vehicle

Vehicle Code 23221 is split into two key subsections:

  • Subsection (a) makes it illegal for a driver to drink an alcoholic beverage or smoke/ingest marijuana while operating a motor vehicle on a highway.

  • Subsection (b) prohibits any passenger from drinking alcohol or using marijuana while riding in a vehicle that is being driven on a highway.

A “motor vehicle” refers to any self-propelled vehicle, including cars, trucks, vans, and motorcycles.

A “highway” includes any publicly maintained road open for vehicular travel—including streets, freeways, and expressways.

Who Is Exempt From This Law?

VC § 23221 does not apply to passengers in for-hire vehicles, such as:

  • Limousines

  • Party buses

  • Taxis

  • Charter services

As long as the vehicle is properly licensed and the alcohol is kept behind the driver’s compartment, passengers may be legally allowed to drink.

2. What are examples of Drinking Alcohol in a Motor Vehicle?

California Vehicle Code § 23221 VC makes it unlawful for a driver or passenger to consume alcohol or marijuana while inside a motor vehicle that is operating on a public highway. While the law may seem straightforward, real-world situations can raise questions about what constitutes a violation. Below are clear, practical examples of behavior that could lead to a citation under VC 23221.

1. Driver Sipping Beer at a Red Light

Even if the vehicle is momentarily stopped at a traffic light or in traffic, a driver taking sips from a can of beer would be violating VC 23221. As long as the vehicle is on a public highway and in operation, the act is illegal.

Example: A man drinking a beer while driving through downtown Los Angeles traffic.

2. Passenger Drinking Wine in the Front Seat

VC 23221(b) prohibits passengers from consuming alcoholic beverages while in a vehicle on a public road. This includes front-seat and back-seat passengers.

Example: A passenger opens a bottle of wine and pours a glass while riding on the I-10 freeway.

3. Backseat Passenger Smoking a Marijuana Vape Pen

The law also extends to smoking or ingesting marijuana products. If a backseat passenger is caught vaping THC oil while the car is being driven on a public highway, it’s a violation.

Example: A group of friends are heading to the beach. One passenger is using a THC vape in the backseat while the car is in motion.

4. Riding in a Parked Car on a Public Street While Drinking

A common misconception is that being parked negates a VC 23221 violation. But if the vehicle is parked on a public highway or street and someone is actively drinking or smoking marijuana, it may still fall under this law, especially if the engine is on or the car was recently in operation.

Example: A couple parked on a public street sipping cocktails inside their vehicle during a night out.

5. Open Container During a Road Trip

On a long drive, a passenger might crack open a beer or hard seltzer. Even if the driver is sober, having a passenger actively drinking in the vehicle can result in an infraction under VC 23221.

Example: On a road trip from Los Angeles to San Diego, a passenger drinks a beer while the car is in motion.

6. Drinking in a Camper or RV While Driving

Many people assume campers or housecars are exempt, but VC 23221 applies to all motor vehicles being driven on a highway. Unless you’re in the living quarters of a legally designated RV that’s stationary or parked, drinking inside a moving camper may be a violation.

Example: Passengers in a moving camper van start drinking beers before reaching the campground.

3. What are the penalties for Drinking Alcohol in a Motor Vehicle?

In California, Vehicle Code § 23221 VC prohibits both drivers and passengers from drinking alcohol or consuming cannabis while inside a motor vehicle on a public road. While this offense may seem minor compared to more serious violations like DUI, it still carries legal consequences that can impact a person’s driving record and financial standing.

Below, we’ll break down the specific penalties for violating VC 23221, including fines, license consequences, and potential long-term impacts.

1. Penalties for Drivers Drinking Alcohol in a Motor Vehicle

If a driver is caught drinking alcohol or consuming marijuana while behind the wheel, the offense is typically treated as an infraction, which means:

  • Fine: Up to $250

  • No jail time, as it is not a misdemeanor

  • Points on driving record: May impact insurance rates

However, if the driver exhibits signs of impairment, law enforcement may escalate the charge to a DUI (VC 23152), which carries much harsher penalties.

2. Penalties for Passengers Drinking Alcohol in a Motor Vehicle

If a passenger is caught drinking alcohol inside a vehicle, they may also be cited under VC 23221(b). The penalties include:

  • Fine: Typically $250

  • No driver’s license points, since the passenger is not operating the vehicle

  • No jail time, as it remains an infraction

However, if the passenger is under 21 years old, additional penalties apply under VC 23224, which we’ll cover next.

3. Penalties for Underage Drinking in a Motor Vehicle (Under 21 Years Old)

California has strict zero-tolerance laws for underage drinking. If someone under 21 is found drinking alcohol in a motor vehicle, they may face charges under VC 23224, which is a misdemeanor offense.

For drivers under 21 years old:

  • Fine up to $1,000

  • 1-year driver’s license suspension

  • Possible community service

For passengers under 21 years old:

  • Misdemeanor charge

  • Fine up to $1,000

  • Possible driver’s license suspension if they have one

Even possession of alcohol (without drinking) in a car can lead to charges under VC 23224 if the individual is underage.

4. What are legal defenses for Drinking Alcohol in a Motor Vehicle?

Being cited for Drinking Alcohol in a Motor Vehicle under California Vehicle Code § 23221 VC may seem like a minor infraction, but the consequences can still impact your record and finances. Fortunately, there are several effective legal defenses that an experienced attorney can use to challenge the citation.

1. You Were Falsely Accused

One of the most common defenses is that the driver or passenger was falsely accused. Law enforcement officers may mistakenly believe someone was drinking or smoking based on incomplete observations.

Example: An officer sees a metallic cup in the driver’s hand and assumes it contains alcohol—but it’s actually soda or water.

Defense Strategy: Your attorney can challenge the officer’s assumptions and present evidence showing no alcohol or marijuana was consumed.

2. The Vehicle Was Not on a Public Highway

VC 23221 only applies if the vehicle is being driven (or ridden in) on a public highway—defined as any road that is maintained and open to the public for vehicular use.

Example: You were parked in a private driveway or on private property, such as a ranch, parking lot, or gated community.

Defense Strategy: If your vehicle was on private property, you are not in violation of VC 23221. Your attorney can use this as a basis to challenge the citation.

3. You Were a Passenger in a For-Hire Vehicle

The law does not apply to passengers in certain types of licensed, for-hire vehicles, such as:

  • Limousines

  • Party buses

  • Taxis and rideshare vehicles (e.g., Uber or Lyft)

Example: You’re riding in a rented party limo where passengers are legally allowed to drink.

Defense Strategy: If you were a passenger in a vehicle for hire, your attorney can prove that your situation falls under the exemption.

4. You Were Not Drinking or Smoking

The prosecution must prove that you were actively consuming an alcoholic beverage or marijuana product. Simply being in possession of alcohol or being near someone who is drinking does not automatically mean you’re guilty.

Example: A passenger next to you was drinking, but you weren’t. You were simply holding an empty cup.

Defense Strategy: Your attorney can present witness testimony, surveillance footage, or officer body cam footage to establish that you were not consuming any substances.

5. The Substance Was Not Alcohol or Cannabis

Sometimes, the container in question may resemble an alcohol or marijuana product but is not actually an intoxicating substance.

Example: You were drinking non-alcoholic beer, which is legally allowed.

Defense Strategy: If lab testing or evidence shows the substance was non-intoxicating, the charge may not stand.

6. Unlawful Traffic Stop or Lack of Probable Cause

In some cases, a police officer may have pulled over a vehicle without reasonable suspicion or probable cause—which is required by law. If the stop was unlawful, any evidence collected (such as observations of drinking or smoking) could be inadmissible in court.

Example: An officer pulls over a vehicle without any traffic violation or clear reason.

Defense Strategy: A motion to suppress evidence can be filed, and the case may be dismissed due to a constitutional violation.

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5. What are related offenses to Drinking Alcohol in a Motor Vehicle?

In California, Drinking Alcohol in a Motor Vehicle is governed by Vehicle Code § 23221 VC, which makes it unlawful for a driver or passenger to consume alcohol or cannabis while the vehicle is on a public roadway. But this law doesn’t exist in isolation. There are several related offenses—some infractions and others misdemeanors or even felonies—that drivers and passengers may be charged with in conjunction with or instead of VC 23221.

Below, we outline the most common related offenses and how they connect to open container or substance consumption violations.

1. VC § 23222(a) – Possession of an Open Container While Driving

This offense occurs when a driver possesses an open alcoholic beverage container in a vehicle, even if they are not actively drinking from it.

Key difference: VC 23221 punishes consumption, while VC 23222(a) punishes possession of an open container.

Penalty: Infraction with fines up to $250.

2. VC § 23222(b) – Possession of Marijuana While Driving

Under California law, drivers cannot possess loose cannabis or an open container of marijuana in a vehicle unless it’s in the trunk or another inaccessible area.

Even if the marijuana is legal for recreational use, it must be stored properly.

Penalty: Infraction with fines up to $100.

3. VC § 23224 – Possession of Alcohol in a Vehicle by a Person Under 21

This statute makes it illegal for anyone under 21 to possess any alcoholic beverage in a motor vehicle, whether they are the driver or a passenger.

No open container is required—mere possession is enough for a violation.

Penalty: Misdemeanor. Can lead to a fine, community service, and driver’s license suspension.

4. VC § 23220 – Drinking or Smoking Marijuana While Driving

This law is closely related to VC 23221, but specifically targets drivers who are actively drinking or smoking marijuana while operating a vehicle.

This is a more serious offense than simply possessing an open container.

Penalty: Infraction punishable by fines.

5. VC § 23225 – Open Container in Vehicle for Passengers

Under this law, it’s illegal to store an open container of alcohol in a vehicle unless it is in the trunk or another area not normally occupied by passengers.

Even sealed containers that have been previously opened can be a violation if not stored correctly.

Penalty: Infraction, usually resulting in a fine.

6. VC § 23152 – Driving Under the Influence (DUI)

If law enforcement suspects that alcohol or cannabis consumption has impaired a driver’s ability to operate a vehicle safely, they may pursue DUI charges instead of (or in addition to) open container violations.

DUI is a misdemeanor or felony offense, depending on the circumstances and prior history.

Penalty: Can include jail time, license suspension, DUI classes, ignition interlock devices, and substantial fines.

7. HS § 11362.3 – Unlawful Cannabis Use in a Vehicle

The California Health & Safety Code prohibits smoking or ingesting marijuana in a vehicle—regardless of whether you’re the driver or passenger.

This overlaps with VC 23221 when marijuana is involved.

Penalty: Infraction, punishable by a fine.

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