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What Are Your Rights During a DUI Traffic Stop in California?

A DUI investigation usually begins with a traffic stop. When an officer stops your vehicle, you are being detained, which means your movement is being limited. Because the stop involves a seizure, the officer must have a reason to stop you.

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Can Police Stop Any Vehicle They Want?

No. Police must have a justification for stopping your vehicle. That could be something relatively minor, such as a light being out on your license plate, or another traffic violation.

The officer must be able to justify contacting you to investigate a traffic violation or address something wrong with your vehicle.

If your vehicle is already parked, the officer also needs a justification for contacting you inside the parked vehicle. One example discussed in the video is a welfare check to make sure everything is okay.

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Do You Have to Answer Questions?

Generally, you are required to provide certain documents, including your vehicle registration, driver's license or identification, and proof of insurance.

Once you provide those documents, however, you generally do not have to answer additional questions from the officer.

For example, an officer might ask, "Did you know I stopped you?" Answering questions like this can involve making statements that could be against your best interest and can raise Fifth Amendment issues concerning your right to remain silent.

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Can an Officer Order You Out of Your Vehicle?

At some point, an officer may tell you to step out of the vehicle. When that happens, the officer is controlling your movement.

You can ask the officer whether getting out is a request or an order. If it is a request, you can decline. If it is an order, you are being detained, although you are not necessarily under arrest.

Once you exit the vehicle, the officer may ask you additional questions or ask you to perform field sobriety tests. According to the discussion, these tests are voluntary.

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What About Your Vehicle?

If you can legally park your vehicle in a safe, legal location, doing so is preferable. After getting out, you can lock your vehicle with your key fob.

If an officer asks for permission to search your vehicle, you can refuse. However, if you are arrested for DUI, the officer may impound the vehicle and may then have a right to search it.

An officer may also search you after you exit the vehicle. Generally, this type of search is for weapons and officer safety.

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How Long Can a Traffic Stop Last?

When you are stopped for a regular traffic violation, officers generally can detain you for the amount of time reasonably necessary to address the traffic violation.

According to the discussion, they cannot simply extend the detention while waiting for other people to arrive or for another unrelated reason.

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What Are Officers Looking For During a DUI Investigation?

After stopping you, officers are watching your behavior. They may observe how you provide your driver's license, registration, and insurance.

If you appear shaky or confused, have difficulty finding your documents, or provide the wrong item, an officer may view those behaviors as possible signs of impairment.

Officers may also ask where you are coming from or where you are going. They may observe your eyes, whether you admit to drinking, how you look at your documents, and how you move when getting out of the vehicle.

Stumbling, having trouble standing, appearing confused about where you are, or having a beer container in the center console or cup holder may also become part of the officer's observations.

These observations can lead an officer to believe that you may be under the influence of alcohol or drugs and begin a DUI investigation.

The same applies to field sobriety tests. Officers are looking for things they believe are consistent with impairment. For example, difficulty standing on one foot may be viewed as evidence of impairment.

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How Does a DUI Attorney Review the Traffic Stop?

If you are arrested for DUI, your defense attorney can start at the beginning of the case and review each step of the investigation. The attorney can look for errors or violations of your rights.

If there was no lawful reason for the initial traffic stop, that issue can affect what happened afterward and may provide grounds to challenge what followed.

For that reason, the traffic stop is an important starting point when reviewing a California DUI case.

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