Lexus 2012 RX450h Owner's Manual page 892

5-2. Steps to take in an emergency
Interior
Exterior
buzzer
buzzer
Sounds

once
Sounds

once
892
Warning message
(Flashes)
(RX350)
(Flashes)
(RX450h)
Details
An attempt was
made to turn the
"ENGINE START
STOP" switch off
when the shift
lever was not in P.
An attempt was
made to turn the
"POWER" switch
off when the shift
lever was not in P.
Correction
procedure
To turn off the
engine, first shift
the shift lever to P
and then turn the
"ENGINE START
STOP" switch off.
To turn off the
hybrid system,
first shift the shift
lever to P and
then turn the
"POWER" switch
off.