The following cases were heard in Regional Center Municipal Court on Dec. 18:

• Gerardo Lopez Hernandez, 24, of Norwalk pleaded guilty to the following counts stemming from a Nov. 19 incident: operating without a valid license, operating vehicle without insurance, open intoxicant in motor vehicle, operating left of center line, and impeding traffic by slow speed. His citation for operating while under the influence will be dismissed as long as he completes an alcohol assessment as part of a driver-safety plan.

• Peter Thompson, 57, of Kendall was found guilty by default of improper stop at stop sign.

• A juvenile pleaded guilty to exhibition of power and speed.