Lexus 2012 RX450h Owner's Manual page 894

5-2. Steps to take in an emergency
Interior
Exterior
buzzer
buzzer
Sounds

once
894
Warning message
(Flashes)
(RX350)
Details
The driver's door
was opened and
closed with the
"ENGINE START
STOP" switch
turned off and
then the
"ENGINE START
STOP" switch was
put in ACCES-
SORY mode
twice without the
engine being
started.
During an engine
starting proce-
dure in the event
that the elec-
tronic key was not
functioning prop-
erly (P. 919),
the "ENGINE
START STOP"
switch was
touched with the
electronic key.
Correction
procedure
Press the
"ENGINE START
STOP" switch
while depressing
the brake pedal.
Press the
"ENGINE START
STOP" switch
within 10 seconds
of the buzzer
sounding.