How many points are deducted for forgetting to turn on the turn signal when turning left?

[DiMiguel]

Failure to use the turn signal when turning a motor vehicle results in a fine and a deduction of 1 point. Below are specific details about point deductions for driving violations: 1. Deduction of 1 point: Not yielding properly when meeting another vehicle or reversing; not driving large passenger vehicles, electric vehicles, cranes, or vehicles with trailers as required during the probationary period; not towing trailers or pulling vehicles as required; not installing vehicle license plates as required; not carrying a driver's license or vehicle registration; riding a two-wheeled motorcycle without wearing a safety helmet; carrying passengers on a lightweight motorcycle or carrying children under 12 on the rear seat of a two-wheeled or sidecar motorcycle; driving without properly closing the doors or cargo compartment; smoking, eating, or engaging in other behaviors that hinder safe driving while operating a vehicle; not driving as required on roads without a centerline or designated lanes for motor and non-motor vehicles; small passenger vehicle drivers not wearing seat belts as required; other violations related to vehicle loading. 2. Deduction of 3 points: Operating a motor vehicle on the road without undergoing regular safety technical inspections as required; driving medium-sized or larger passenger or cargo vehicles, or hazardous material transport vehicles on roads other than highways or urban expressways, or driving other motor vehicles at speeds exceeding the limit by less than 20%; driving a truck with cargo exceeding the approved load capacity by less than 30%; driving a motor vehicle on a highway below the minimum speed limit; driving a motor vehicle prohibited from entering highways onto a highway; driving a motor vehicle on a highway or urban expressway without using the designated lane; driving a motor vehicle through a crosswalk without slowing down, stopping, or yielding to pedestrians as required; driving a motor vehicle in violation of prohibitory signs or markings; carrying passengers in a vehicle (excluding buses or school buses) exceeding the approved capacity by less than 20%; driving a motor vehicle while towing a trailer in violation of regulations; not using lights or setting up warning signs as required after stopping due to a vehicle malfunction or accident on the road; driving a motor vehicle without properly overtaking, yielding, or driving in the wrong direction.