Answer: turnsignals

AnswerCrossword Clue
TURNSIGNALSTrafficators, in the U.S.
TURNSIGNALSIndicator lights
TURNSIGNALSBlinkers
TURNSIGNALSThey blink in traffic
TURNSIGNALSThey're always on the blink