What is a cue in the context of DUI detection?

In the context of DUI detection, a cue refers to any observable behavior or indicator that suggests a driver might be impaired. This can include erratic driving patterns, such as swerving, driving at inconsistent speeds, or unusual braking. When officers observe these cues, they have a reason to take law enforcement action, which often involves initiating a traffic stop to further investigate the driver’s condition. Recognizing these cues is a crucial part of a police officer’s training in identifying potential DUI situations.

The other options address various situations encountered in traffic enforcement but do not accurately encapsulate the broader purpose of cues in DUI detection. A cue is not merely a signal for a stop or a reminder for unrelated violations, nor is it limited to checking documentation. Rather, it is about recognizing the signs that warrant immediate intervention regarding a driver’s sobriety or ability to operate a vehicle safely.