Lexus GS450h 2013 Owner's Manual

7307-2. Steps to take in an emergency
GS450h_U (OM30D01U)
Indicates that the parking
brake is still engagedIf the vehicle reaches a
speed of 3 mph
(5 km/h),
flashes and a buzzer
sounds to indicate that
the parking brake is
still engaged.
Release the parking
brake.
Indicates that the parking
brake system has over-
heatedWait until the system
cools down.
Indicates that the brake
hold system is not hold
the vehicle when the
vehicle is on a steep
incline
Use the brake hold sys-
tem when it becomes
available.
Indicates that the brake
hold system is unable to
cancel the brake hold
function
Depress the brake pedal.
Warning messageDetailsCorrection procedure
(Flashes)
(U.S.A.)
(Flashes)
(Canada)
(Flashes)
(Flashes)
GS450h_U.book Page 730 Monday, January 23, 2012 10:20 AM

7317-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
Indicates that the brake
hold system is not avail-
ableThe reason the brake
hold system is not avail-
able may be displayed.• Close the driver’s door.
• Fasten the driver’s seatbelt.
• Close the trunk and hood.
Indicates that the brake
hold system is not avail-
ableThe reason the brake
hold system is not avail-
able may be displayed.• Depress the brakepedal.
• Close the driver’s door.
• Fasten the driver’s seat belt.
Indicates that the parking
brake is set automatically
while the brake hold sys-
tem is holding the brakes
Release the parking
brake.
Warning messageDetailsCorrection procedure
(Flashes)
GS450h_U.book Page 731 Monday, January 23, 2012 10:20 AM

7327-2. Steps to take in an emergency
GS450h_U (OM30D01U)
Indicates that the hybrid
battery (traction battery)
is low
When stopping the vehi-
cle for a long period of
time, shift the shift lever to
P. The battery cannot be
charged with the shift
lever in N.
Indicates that the hybrid
battery (traction battery)
power has dropped
because a long period of
time has elapsed after
shifting the shift lever to
N
Restart the hybrid system
when starting the vehicle.
Indicates that the gaso-
line engine cannot oper-
ate or the shift lever is in
N for a long time
Stop the vehicle and shift
the shift lever to P.
Indicates that the accel-
erator pedal is depressed
while the shift position is
in NRelease the accelerator
pedal and shift the shift
lever to D or R.
Warning messageDetailsCorrection procedure
(Flashes)
(Flashes)
(Flashes)
(Flashes)
GS450h_U.book Page 732 Monday, January 23, 2012 10:20 AM

7337-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
*: For the EV drive mode operating conditions: →P. 1 9 6
Indicates that the EV
drive mode is not avail-
able
*
The reason the EV
drive mode is not avail-
able (the vehicle is
idling, battery charge is
low, speed is higher
than the EV drive
mode operating speed
range, accelerator
pedal is depressed too
much) may be dis-
played.
Use the EV drive mode
when it becomes avail-
able.
Indicates that the EV
drive mode has been
automatically canceled
*
The reason the EV
drive mode is not avail-
able (the battery
charge is low, speed is
higher than the EV
drive mode operating
speed range, accelera-
tor pedal is depressed
too much) may be dis-
played.
Drive the vehicle for a
while.
Indicates that engine oil
level is lowCheck the level of engine
oil, and add if necessary.
Warning messageDetailsCorrection procedure
GS450h_U.book Page 733 Monday, January 23, 2012 10:20 AM

7347-2. Steps to take in an emergency
GS450h_U (OM30D01U)
Warning messageDetailsCorrection procedure
Indicates that intuitive
parking assist sensor is
dirty or covered with ice
Clean the sensor.
Indicates that the radar
sensor is dirty or covered
with ice
Clean the sensor.
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
•Turn off the snowmode.
• If the windshield wip- ers are on, turn them
off or set them to a
mode other than
AUTO or high speed
wiper operation.
Indicates that your vehi-
cle is nearing the vehicle
ahead (in vehicle-to-vehi-
cle distance mode)
At the same time,
will appear on the
head-up display (the
image flashes).
Slow the vehicle by
applying the brakes.
(If equipped)
(If equipped)
(If equipped)
(If equipped)
GS450h_U.book Page 734 Monday, January 23, 2012 10:20 AM

7357-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
Indicates that there is a
high possibility of a frontal
collision, or that the pre-
collision braking function
is operatingAt the same time,
will appear
on the head-up dis-
play too (the image
flashes).
Slow the vehicle by
applying the brakes.
Indicates that the LKA
(Lane-Keeping Assist) is
suspended
•The camera sensor temperature is higher
than the operation tem-
perature range.
•The power steering system operation is
restricted.
Restart the LKA after
driving for a while.
Warning messageDetailsCorrection procedure
(Flashes)
(If equipped)
(If equipped)
GS450h_U.book Page 735 Monday, January 23, 2012 10:20 AM

7367-2. Steps to take in an emergency
GS450h_U (OM30D01U)
Alerts the driver that the
vehicle is out of the lanes
(while the LKA [Lane-
Keeping Assist] system is
operating)The warning buzzer
sounds continuously.
The lane markings and/
or the steering wheel
marking flash.
At the same time,
will appear
on the head-up dis-
play (part of the image
flashes).
Check around the vehi-
cle and back to inside of
the lane markings.
Indicates that the LKA
(Lane-Keeping Assist)
system detects no-
handed driving (while the
lane keeping assist func-
tion is operating) The warning buzzer
sounds twice.
Grip the steering wheel
firmly.
Indicates that the Blind
Spot Monitor sensors or
the surrounding area on
the bumper is dirty or
covered with ice
Clean the sensor and its
surrounding area on the
bumper.
Indicates that the hybrid
system has overheatedThis message may be
displayed when driving
under severe operating
conditions. (For exam-
ple, when driving up a
long steep hill.)
Stop and check.
(→ P. 7 74 )
Warning messageDetailsCorrection procedure
(If equipped)
(If equipped)
(If equipped)
sec_07-02.fm Page 736 Monday, January 30, 2012 10:37 AM

7377-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
Indicates that the hybrid
system output is limited
because the engine oil is
overheatedDrive the vehicle at a safe
speed until the warning
message disappears.
Indicates that the vehicle
is unable to drive over 65
mph (110 km/h) until the
transmission warms up
Wait until the transmis-
sion warms up.
Indicates that remaining
fuel is approximately 2.6
gal. (10.0 L, 2.2 Imp.gal.)
or less
Refuel the vehicle.
Indicates that the power
switch is turned off or
turned to ACCESSORY
mode and the driver’s
door is opened while the
lights are turned on
Turn the lights off.
Indicates that the driver’s
door was opened with the
shift position in any posi-
tion other than P
Shift the shift position to P.
Warning messageDetailsCorrection procedure
(Flashes)
(Flashes)
GS450h_U.book Page 737 Monday, January 23, 2012 10:20 AM

7387-2. Steps to take in an emergency
GS450h_U (OM30D01U)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if vehicle-to-
vehicle distance decreases:
●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
■The LKA (Lane-Keeping Assist) lane departure warning function
In the following cases, the warning message will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LKA system
functions
●When the lane lines cannot be recognized
●When the steering wheel is turned as far as necessary to cause the vehicle to
change lanes
GS450h_U.book Page 738 Monday, January 23, 2012 10:20 AM

7397-2. Steps to take in an emergency
GS450h_U (OM30D01U)
7
When trouble arises
A warning message is shown on the multi-information display. After taking
the specified steps to correct the suspected problem, check that the
warning message goes off.
Follow the correction procedures.
Warning messageDetailsCorrection procedure
Indicates that the brake
hold system is not hold
the vehicle when the
vehicle is on a slippery
road
Use the brake hold sys-
tem when it becomes
available.
Indicates that the washer
fluid level is lowAdd washer fluid.
Indicates that all mainte-
nance according to the
driven distance on the
maintenance schedule
*
should be performed
soon.If necessary, perform
maintenance.
Comes on approxi-
mately 4500 miles
(7200 km) after the
maintenance data has
been reset.
(U.S.A. only)
GS450h_U.book Page 739 Monday, January 23, 2012 10:20 AM