Lexus 2012 RX450h Owner's Manual page 244

2-1. Driving procedures
Type B
Turn signals can be operated when
■
RX350
The "ENGINE START STOP" switch is in IGNITION ON mode.
RX450h
The "POWER" switch is in ON mode.
If the indicators flash faster than usual
■
Check that a light bulb in the front or rear turn signal lights has not burned out.
244
Right turn
Left turn
Lane change to the right
(push and hold the lever part-
way)
The right hand signals will flash
until you release the lever.
Lane change to the left (push
and hold the lever partway)
The left hand signals will flash
until you release the lever.