2017 Lexus IS300h Owner's Manual

6018-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
Indicates that the EV drive mode is not available*The reason the EV drive mode is not available (the
vehicle is idling, hybrid battery [traction battery]
charge is low, sp eed is higher than the EV drive mode operating speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.  Use the EV drive mode when it becomes available.
Warning messageDetails/Actions

6028-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
*: For the EV drive mode operating conditions: P. 224
Indicates that the EV drive mode has been automatically
canceled*
The reason the EV drive mode is not available (the hybrid battery [traction batter y] charge is low, speed is
higher than the EV drive mode operating speed
range, accelerator pedal is depressed too much) may be displayed.
A buzzer also sounds.
 Drive the vehicle for a while.
Warning messageDetails/Actions
(Except F SPORT models) (F SPORT models) (Flashes) (Flashes)

6038-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
■Warning messages
The warning message illustrations used are intended as examples, and may differ from
the image that is actually displaye d on the multi-information display.
■Warning message in radar cruise mode (if equipped)
In the following situations, the warning message may not be displayed even if vehicle-to-
vehicle distance decreases:
●When the speed of the preceding vehicle matches or exceeds your vehicle speed
●When the preceding vehicle is traveling at an extremely slow speed
●Immediately after the cruise control speed was set
●At the instant the accelerator pedal is depressed
■The LDA (Lane Departure Alert with steering control) lane departure warning func-
tion (if equipped)
In the following situations, the warning messag e will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LDA system func- tions ( P. 284)
●When the lane lines cannot be recognized (P. 286)
■Resetting the message indicating maintenance is required
Make sure to reset the oil change system. ( P. 518)
■Warning buzzer
 P. 579

6048-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
Con- tinuous 
The driver’s door was opened when
the shift lever was not in P and the power switch was not turned off.
 Shift the shift lever to P.
Con- tinuousCon-tinuous
The driver’s door was opened andclosed while the electronic key was
not in the vehicle, the shift lever was
not in P and the power switch was not turned off.
 Shift the shift lever to P.
 Bring the electronic key back
into the vehicle.
Once
The electronic key is not detected when an attempt is made to start the
hybrid system.
 Start the hybrid system with the electronic key present.
(Flashes)
(Displayed alternately)
(Flashes)

6058-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning the power switch off when the shift
lever was in P.
 Turn the power switch off and lock the doors again.
Once3 times
The electronic key was carried out-side the vehicle and a door other
than the driver’s door was opened
and closed while the power switch was in a mode other than off.
 Bring the electronic key back
into the vehicle.
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 power switch was not turned off.
 Turn the power switch off.
 Bring the electronic key back into the vehicle.
9 times
An attempt was made to drive when
the electronic key was not inside the vehicle.
 Confirm that the electronic key
is inside the vehicle.
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
(Displayed alternately)
(Flashes)

6068-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
Con-
tinuous
An attempt was made to lock the
doors using the smart entry & start
system while the electronic key was still inside the vehicle.
 Retrieve the electronic key
from the vehicle and lock the doors again.
OnceCon-
tinuous
An attempt was made to lock either
front door by opening a door and
putting the inside lock button into the lock position, then closing the
door by pulling on the outside door
handle with the electronic key still inside the vehicle.
 Retrieve the electronic key
from the vehicle and lock the doors again.
Once
The electronic key has a low battery.
 Replace the electronic key bat-
tery. ( P. 549)
Once
The steering lock could not be
released within 3 seconds of the power switch being pressed.
 Press the power switch while
depressing the brake pedal and moving the steering wheel left
and right.
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
(Vehicles with the entry function)
(Flashes)

6078-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
Once
• When the doors were unlocked
with the mechanical key and then
the power switch was pressed, the electronic key could not be
detected in the vehicle.
• The electronic key could not be detected in the vehicle even after
the power switch was pressed two
consecutive times.  Touch the electronic key to the
power switch while depressing
the brake pedal.
Once
During a hybrid system starting pro- cedure in the event that the elec-
tronic key was not functioning
properly ( P. 629), the power switch was touched with the elec-
tronic key.
 Press the power switch within 10 seconds of the buzzer sounding.

Indicates that:• With the power switch off, the
doors were unlocked and then the
driver’s door was opened and closed;
• The power switch was turned to
ACCESSORY mode without starting the hybrid system; or
• The shift lever was shifted to P
from another position with the power switch in ON mode.
 Press the power switch while
depressing the brake pedal.
Interior buzzerExteriorbuzzerWarning messageDetails/Actions

6088-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
Once
The power switch has been turned off with the shift lever in a position
other than P.
 Shift the shift lever to P.
Once
After the power switch has been turned off with the shift lever in a
position other than P, the shift lever
has been shifted to P.  Turn the power switch off.

Power was turned off due to the
automatic power off function.
 Next time when starting the hybrid system, increase the
engine speed slightly and main-
tain that level for approximately 5 minutes to recharge the 12-
volt battery.
Con-
tinuous
Indicates that the hybrid system was
stopped in an emergency while driv- ing
 To restart the hybrid system,
shift the shift lever to N and turn the power switch to ON mode.*
Once
Indicates that the power switch has
been pressed while driving  Except when emergency stop-
ping of the vehicle is needed,
immediately release the power switch.
InteriorbuzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)