LEXUS RX400H 2008 Owners Manual

5
When trouble arises
399
5-2. Steps to take in an emergency
RX400h_U
Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failing to investigate the cause of the following warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Indicates a malfunction in the AWD system.
(Flashing)
Indicates a hybrid system is over heating.
Wa r n i n g m e s s a g eDetails
Malfunction in the automatic headlight leveling sys-
tem.
Wa r n i n g m e s s a g eDetails

400
5-2. Steps to take in an emergency
RX400h_U
(Flashing and then
continuously on)
Indicates a malfunction in the tire pressure warning
system. (→P. 3 3 2 )
(Flashing)
Malfunction in the traction control system or VSC
system.
(Flashing)
Indicates a malfunction in the dynamic laser cruise
control system.
Wa r n i n g m e s s a g eDetails

5
When trouble arises
401
5-2. Steps to take in an emergency
RX400h_U
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warning may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
Indicates a malfunction in the traction control, VSC
systems.

402
5-2. Steps to take in an emergency
RX400h_U
Have the malfunction repaired immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. After taking the spec ified steps to correct the suspected
problem, check that the warning message turns off.
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that one or
more of the doors is not
fully closed.
The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more of
the doors is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Make sure that all of the
doors are closed.

5
When trouble arises
403
5-2. Steps to take in an emergency
RX400h_U
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashing)
Indicates that the moon
roof is not fully closed
(with the engine switch
LOCK and the driver’s
door opened).
Close the moon roof.
(Flashing)
Indicates that the parking
brake is still engaged
(with the vehicle having
reached a speed of more
than 3 mph [5 km/h]).
Release the parking
brake.
Indicates that the washer
fluid level is low.Add washer fluid.

404
5-2. Steps to take in an emergency
RX400h_U
Wa r n i n g m e s s a g eDetailsCorrection procedure
(U.S.A. only)
Indicates that the engine
oil is scheduled to be
changed.
Check the engine oil, and
change if necessary.
Comes on approximately
4500 miles (7200 km)
after the engine oil is
changed. (The indicator
will not work properly
unless the oil mainte-
nance data has been
reset.)
(U.S.A. only)
Indicates that the engine
oil should be changed.
Check and change the
engine oil.
Comes on approximately
5000 miles (8000 km)
after the engine oil is
changed (and the oil
maintenance data has
been reset).

5
When trouble arises
405
5-2. Steps to take in an emergency
RX400h_U
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates low tire pres-
sure.Check the tire inflation
pressure, and adjust to the
appropriate level.
(If equipped, flashing
and then continuously on)
(Flashing)Indicates that the radar
cruise control sensor is
dirty or covered with ice.
Clean the sensor.

406
5-2. Steps to take in an emergency
RX400h_U
Wa r n i n g m e s s a g eDetailsCorrection procedure
(If equipped, flashing
and then continuously on)
(Flashing)Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance.If the windshield wipers
are on, turn them off or set
them to either the inter-
mittent or the slow mode.
(If equipped, flashing)
Indicates that your vehi-
cle is nearing the vehicle
ahead (in laser cruise
mode).
Slow the vehicle by apply-
ing the brakes.
(Flashing)
Indicates that the driver’s
door has been opened
(with the shift lever out of
in P, ignition on).
Shift the lever to P.
(Flashing)
Indicates that the starting
the hybrid system (with
the shift lever out of in P).Shift the lever to P and
turn the ignition to START
again.

5
When trouble arises
407
5-2. Steps to take in an emergency
RX400h_U
Have the malfunction repaired immediately.After taking the specified steps to co rrect the suspected problem, check
that the warning light turns off.
■Changing the engine oil (U.S.A. only)
Make sure to reset the oil change system. ( →P. 3 2 1 )
■Warning light display in radar cruise mode
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance closes.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
Wa r n i n g m e s s a g eDetailsCorrection
procedure
(Comes on for 8 seconds.)
Indicates that the fuel
door left open after refuel-
ing when start the vehicle/
leave the fuel door open
for more than 30 minutes
during refueling.
Close the fuel lid.

408
5-2. Steps to take in an emergency
RX400h_U
If you have a flat tire
Remove the flat tire and replace it with the spare provided.
■Before jacking up the vehicle
● Stop the vehicle on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P.
● Stop the hybrid system.
● Turn on the emergency flashers.
■ Location of the spare tire, jack and tools
Jack
Adapter socket Wr e n c h
Towing eyelet
Jack handle
Tool bag
Spare tire