A person who believes they have had too much to drink to safely or legally drive may sit, lie, or fall asleep in their vehicle in a parking lot or parking space outside of a bar or restaurant, or may pull off the road and park to “sleep it off.” When the police observe a person occupying or sleeping in a parked car they may investigate if the car is illegally parked (on the side of the road or elsewhere) or for the stated purpose of checking on the well-being of the occupant of the vehicle.
After knocking on the window and attempting to wake the occupant of the vehicle the police will typically ask if the occupant was recently operating the vehicle and whether the occupant has had anything to drink. Based in part on the occupant’s answers to these questions the police may request the occupant submit to a breath or blood test, perform field sobriety tests, and may ultimately arrest the occupant for DUI/DWI.
Laws defining DUI/DWI criminal offenses vary from state to state and often include a person who is in physical control of a vehicle as being within the definition of operating a vehicle. Based on such a broad statutory definition of operating a vehicle—and depending on other factors such as (1) whether the occupant was in the driver’s seat of the vehicle or the back seat or passenger seat; (2) whether the vehicle’s engine was running; (3) whether the occupant was awake or asleep; and (4) whether the key, if any, was in the ignition—the police may arrest the occupant for DUI/DWI.
In Texas, the law regarding DUI (Driving Under the Influence) or DWI (Driving While Intoxicated) does not solely pertain to driving; it also encompasses being in 'physical control' of a vehicle. This means that an individual who is sitting, lying, or sleeping in their vehicle while intoxicated could potentially be charged with a DWI, even if they have not driven the car. Factors that law enforcement may consider include the position of the occupant in the vehicle (driver's seat vs. passenger seat), whether the engine is running, the occupant's state of consciousness, and the location of the keys. If the police find someone in a parked car who appears to be intoxicated, they may conduct a welfare check, which can lead to further investigation if they suspect the person has been drinking. This could involve questioning, field sobriety tests, and requests for breath or blood tests. If the evidence suggests the person was in physical control of the vehicle while intoxicated, they may be arrested for DWI. Texas law is strict on DWI offenses, and the state does not require actual driving to occur for someone to be charged. Therefore, it is advisable for individuals to avoid being in a vehicle while intoxicated, even if they have no intention of driving.