turn signal

n.

转弯指示灯，（车辆的）方向灯；

复数：turn signals

Turn signal
Turn signal
Turn signal
Switching a turn signal indicator on or off
WARRANTS FOR LEFT-TURN SIGNAL PHASING
Turn Signal Usage Rate Results: A Comprehensive Field Study of 12,000 Observed Turning Vehicles
Nighttime Turn Signal Detection by Scatter Modeling and Reflectance-Based Direction Recognition
Preferences for Permitted and Protected Left-Turn Signal Displays
Will this car change the lane? - Turn signal recognition in the frequency domain
GUIDELINES FOR EXCLUSIVE/PERMISSIVE LEFT-TURN SIGNAL PHASING. FINAL REPORT
DRIVERS' UNDERSTANDING OF PROTECTED-PERMITTED LEFT-TURN SIGNAL DISPLAYS
Traffic Characteristics of Protected/Permitted Left-Turn Signal Displays
A new cellular automaton model for traffic flow considering realistic turn signal effect