Lexus 2012 RX450h Owner's Manual page 886

5-2. Steps to take in an emergency
Interior
Exterior
buzzer
buzzer
Sounds Sounds
once 3 times
886
Warning message
(Flashes)
Details
The electronic key
was carried out-
side the vehicle
and a door other
than the driver's
door was opened
and closed while
the "ENGINE
START STOP"
switch (RX350)
or "POWER"
switch (RX450h)
was in a mode
other than off.
The driver's door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
in P and the
"ENGINE START
STOP" switch
(RX350) or
"POWER" switch
(RX450h) was
not turned off.
Correction
procedure
Bring the elec-
tronic key back
into the vehicle.
Turn the
"ENGINE START
STOP" switch
(RX350 or
"POWER" switch
(RX450h) off or
bring the elec-
tronic key back
into the vehicle.